201905451900

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{1637}}^1\times {\mathrm{15227}}^1$

素因数の和:16890

約数の個数: 180

約数和(自身を含む): 654940534248

約数和(自身を除く): 453035082348

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 270, 300, 324, 405, 450, 540, 675, 810, 900, 1350, 1620, 1637, 2025, 2700, 3274, 4050, 4911, 6548, 8100, 8185, 9822, 14733, 15227, 16370, 19644, 24555, 29466, 30454, 32740, 40925, 44199, 45681, 49110, 58932, 60908, 73665, 76135, 81850, 88398, 91362, 98220, 122775, 132597, 137043, 147330, 152270, 163700, 176796, 182724, 220995, 228405, 245550, 265194, 274086, 294660, 304540, 368325, 380675, 411129, 441990, 456810, 491100, 530388, 548172, 662985, 685215, 736650, 761350, 822258, 883980, 913620, 1104975, 1142025, 1233387, 1325970, 1370430, 1473300, 1522700, 1644516, 2055645, 2209950, 2284050, 2466774, 2651940, 2740860, 3314925, 3426075, 4111290, 4419900, 4568100, 4933548, 6166935, 6629850, 6852150, 8222580, 10278225, 12333870, 13259700, 13704300, 20556450, 24667740, 24926599, 30834675, 41112900, 49853198, 61669350, 74779797, 99706396, 123338700, 124632995, 149559594, 224339391, 249265990, 299119188, 373898985, 448678782, 498531980, 623164975, 673018173, 747797970, 897357564, 1121696955, 1246329950, 1346036346, 1495595940, 1869494925, 2019054519, 2243393910, 2492659900, 2692072692, 3365090865, 3738989850, 4038109038, 4486787820, 5608484775, 6730181730, 7477979700, 8076218076, 10095272595, 11216969550, 13460363460, 16825454325, 20190545190, 22433939100, 33650908650, 40381090380, 50476362975, 67301817300, 100952725950, 201905451900]

約数ペア:

[(1, 201905451900), (2, 100952725950), (3, 67301817300), (4, 50476362975), (5, 40381090380), (6, 33650908650), (9, 22433939100), (10, 20190545190), (12, 16825454325), (15, 13460363460), (18, 11216969550), (20, 10095272595), (25, 8076218076), (27, 7477979700), (30, 6730181730), (36, 5608484775), (45, 4486787820), (50, 4038109038), (54, 3738989850), (60, 3365090865), (75, 2692072692), (81, 2492659900), (90, 2243393910), (100, 2019054519), (108, 1869494925), (135, 1495595940), (150, 1346036346), (162, 1246329950), (180, 1121696955), (225, 897357564), (270, 747797970), (300, 673018173), (324, 623164975), (405, 498531980), (450, 448678782), (540, 373898985), (675, 299119188), (810, 249265990), (900, 224339391), (1350, 149559594), (1620, 124632995), (1637, 123338700), (2025, 99706396), (2700, 74779797), (3274, 61669350), (4050, 49853198), (4911, 41112900), (6548, 30834675), (8100, 24926599), (8185, 24667740), (9822, 20556450), (14733, 13704300), (15227, 13259700), (16370, 12333870), (19644, 10278225), (24555, 8222580), (29466, 6852150), (30454, 6629850), (32740, 6166935), (40925, 4933548), (44199, 4568100), (45681, 4419900), (49110, 4111290), (58932, 3426075), (60908, 3314925), (73665, 2740860), (76135, 2651940), (81850, 2466774), (88398, 2284050), (91362, 2209950), (98220, 2055645), (122775, 1644516), (132597, 1522700), (137043, 1473300), (147330, 1370430), (152270, 1325970), (163700, 1233387), (176796, 1142025), (182724, 1104975), (220995, 913620), (228405, 883980), (245550, 822258), (265194, 761350), (274086, 736650), (294660, 685215), (304540, 662985), (368325, 548172), (380675, 530388), (411129, 491100), (441990, 456810)]