28916100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{19}}^2\times {\mathrm{89}}^1$

素因数の和:147

約数の個数: 162

約数和(自身を含む): 96732090

約数和(自身を除く): 67815990

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 30, 36, 38, 45, 50, 57, 60, 75, 76, 89, 90, 95, 100, 114, 150, 171, 178, 180, 190, 225, 228, 267, 285, 300, 342, 356, 361, 380, 445, 450, 475, 534, 570, 684, 722, 801, 855, 890, 900, 950, 1068, 1083, 1140, 1335, 1425, 1444, 1602, 1691, 1710, 1780, 1805, 1900, 2166, 2225, 2670, 2850, 3204, 3249, 3382, 3420, 3610, 4005, 4275, 4332, 4450, 5073, 5340, 5415, 5700, 6498, 6675, 6764, 7220, 8010, 8455, 8550, 8900, 9025, 10146, 10830, 12996, 13350, 15219, 16020, 16245, 16910, 17100, 18050, 20025, 20292, 21660, 25365, 26700, 27075, 30438, 32129, 32490, 33820, 36100, 40050, 42275, 50730, 54150, 60876, 64258, 64980, 76095, 80100, 81225, 84550, 96387, 101460, 108300, 126825, 128516, 152190, 160645, 162450, 169100, 192774, 253650, 289161, 304380, 321290, 324900, 380475, 385548, 481935, 507300, 578322, 642580, 760950, 803225, 963870, 1156644, 1445805, 1521900, 1606450, 1927740, 2409675, 2891610, 3212900, 4819350, 5783220, 7229025, 9638700, 14458050, 28916100]

約数ペア:

[(1, 28916100), (2, 14458050), (3, 9638700), (4, 7229025), (5, 5783220), (6, 4819350), (9, 3212900), (10, 2891610), (12, 2409675), (15, 1927740), (18, 1606450), (19, 1521900), (20, 1445805), (25, 1156644), (30, 963870), (36, 803225), (38, 760950), (45, 642580), (50, 578322), (57, 507300), (60, 481935), (75, 385548), (76, 380475), (89, 324900), (90, 321290), (95, 304380), (100, 289161), (114, 253650), (150, 192774), (171, 169100), (178, 162450), (180, 160645), (190, 152190), (225, 128516), (228, 126825), (267, 108300), (285, 101460), (300, 96387), (342, 84550), (356, 81225), (361, 80100), (380, 76095), (445, 64980), (450, 64258), (475, 60876), (534, 54150), (570, 50730), (684, 42275), (722, 40050), (801, 36100), (855, 33820), (890, 32490), (900, 32129), (950, 30438), (1068, 27075), (1083, 26700), (1140, 25365), (1335, 21660), (1425, 20292), (1444, 20025), (1602, 18050), (1691, 17100), (1710, 16910), (1780, 16245), (1805, 16020), (1900, 15219), (2166, 13350), (2225, 12996), (2670, 10830), (2850, 10146), (3204, 9025), (3249, 8900), (3382, 8550), (3420, 8455), (3610, 8010), (4005, 7220), (4275, 6764), (4332, 6675), (4450, 6498), (5073, 5700), (5340, 5415)]