28745100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^2$

素因数の和:121

約数の個数: 162

約数和(自身を含む): 97211660

約数和(自身を除く): 68466560

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 30, 36, 38, 41, 45, 50, 57, 60, 75, 76, 82, 90, 95, 100, 114, 123, 150, 164, 171, 180, 190, 205, 225, 228, 246, 285, 300, 342, 369, 380, 410, 450, 475, 492, 570, 615, 684, 738, 779, 820, 855, 900, 950, 1025, 1140, 1230, 1425, 1476, 1558, 1681, 1710, 1845, 1900, 2050, 2337, 2460, 2850, 3075, 3116, 3362, 3420, 3690, 3895, 4100, 4275, 4674, 5043, 5700, 6150, 6724, 7011, 7380, 7790, 8405, 8550, 9225, 9348, 10086, 11685, 12300, 14022, 15129, 15580, 16810, 17100, 18450, 19475, 20172, 23370, 25215, 28044, 30258, 31939, 33620, 35055, 36900, 38950, 42025, 46740, 50430, 58425, 60516, 63878, 70110, 75645, 77900, 84050, 95817, 100860, 116850, 126075, 127756, 140220, 151290, 159695, 168100, 175275, 191634, 233700, 252150, 287451, 302580, 319390, 350550, 378225, 383268, 479085, 504300, 574902, 638780, 701100, 756450, 798475, 958170, 1149804, 1437255, 1512900, 1596950, 1916340, 2395425, 2874510, 3193900, 4790850, 5749020, 7186275, 9581700, 14372550, 28745100]

約数ペア:

[(1, 28745100), (2, 14372550), (3, 9581700), (4, 7186275), (5, 5749020), (6, 4790850), (9, 3193900), (10, 2874510), (12, 2395425), (15, 1916340), (18, 1596950), (19, 1512900), (20, 1437255), (25, 1149804), (30, 958170), (36, 798475), (38, 756450), (41, 701100), (45, 638780), (50, 574902), (57, 504300), (60, 479085), (75, 383268), (76, 378225), (82, 350550), (90, 319390), (95, 302580), (100, 287451), (114, 252150), (123, 233700), (150, 191634), (164, 175275), (171, 168100), (180, 159695), (190, 151290), (205, 140220), (225, 127756), (228, 126075), (246, 116850), (285, 100860), (300, 95817), (342, 84050), (369, 77900), (380, 75645), (410, 70110), (450, 63878), (475, 60516), (492, 58425), (570, 50430), (615, 46740), (684, 42025), (738, 38950), (779, 36900), (820, 35055), (855, 33620), (900, 31939), (950, 30258), (1025, 28044), (1140, 25215), (1230, 23370), (1425, 20172), (1476, 19475), (1558, 18450), (1681, 17100), (1710, 16810), (1845, 15580), (1900, 15129), (2050, 14022), (2337, 12300), (2460, 11685), (2850, 10086), (3075, 9348), (3116, 9225), (3362, 8550), (3420, 8405), (3690, 7790), (3895, 7380), (4100, 7011), (4275, 6724), (4674, 6150), (5043, 5700)]