204501990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{12647}}^1$

素因数の和:12682

約数の個数: 96

約数和(自身を含む): 622888704

約数和(自身を除く): 418386714

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 49, 55, 66, 70, 77, 98, 105, 110, 147, 154, 165, 210, 231, 245, 294, 330, 385, 462, 490, 539, 735, 770, 1078, 1155, 1470, 1617, 2310, 2695, 3234, 5390, 8085, 12647, 16170, 25294, 37941, 63235, 75882, 88529, 126470, 139117, 177058, 189705, 265587, 278234, 379410, 417351, 442645, 531174, 619703, 695585, 834702, 885290, 973819, 1239406, 1327935, 1391170, 1859109, 1947638, 2086755, 2655870, 2921457, 3098515, 3718218, 4173510, 4869095, 5842914, 6197030, 6816733, 9295545, 9738190, 13633466, 14607285, 18591090, 20450199, 29214570, 34083665, 40900398, 68167330, 102250995, 204501990]

約数ペア:

[(1, 204501990), (2, 102250995), (3, 68167330), (5, 40900398), (6, 34083665), (7, 29214570), (10, 20450199), (11, 18591090), (14, 14607285), (15, 13633466), (21, 9738190), (22, 9295545), (30, 6816733), (33, 6197030), (35, 5842914), (42, 4869095), (49, 4173510), (55, 3718218), (66, 3098515), (70, 2921457), (77, 2655870), (98, 2086755), (105, 1947638), (110, 1859109), (147, 1391170), (154, 1327935), (165, 1239406), (210, 973819), (231, 885290), (245, 834702), (294, 695585), (330, 619703), (385, 531174), (462, 442645), (490, 417351), (539, 379410), (735, 278234), (770, 265587), (1078, 189705), (1155, 177058), (1470, 139117), (1617, 126470), (2310, 88529), (2695, 75882), (3234, 63235), (5390, 37941), (8085, 25294), (12647, 16170)]