193862840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1979}}^1$

素因数の和:2100

約数の個数: 64

約数和(自身を含む): 456192000

約数和(自身を除く): 262329160

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 79, 124, 155, 158, 248, 310, 316, 395, 620, 632, 790, 1240, 1580, 1979, 2449, 3160, 3958, 4898, 7916, 9796, 9895, 12245, 15832, 19592, 19790, 24490, 39580, 48980, 61349, 79160, 97960, 122698, 156341, 245396, 306745, 312682, 490792, 613490, 625364, 781705, 1226980, 1250728, 1563410, 2453960, 3126820, 4846571, 6253640, 9693142, 19386284, 24232855, 38772568, 48465710, 96931420, 193862840]

約数ペア:

[(1, 193862840), (2, 96931420), (4, 48465710), (5, 38772568), (8, 24232855), (10, 19386284), (20, 9693142), (31, 6253640), (40, 4846571), (62, 3126820), (79, 2453960), (124, 1563410), (155, 1250728), (158, 1226980), (248, 781705), (310, 625364), (316, 613490), (395, 490792), (620, 312682), (632, 306745), (790, 245396), (1240, 156341), (1580, 122698), (1979, 97960), (2449, 79160), (3160, 61349), (3958, 48980), (4898, 39580), (7916, 24490), (9796, 19790), (9895, 19592), (12245, 15832)]