13308968420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{349}}^1\times {\mathrm{1787}}^1$

素因数の和:2253

約数の個数: 96

約数和(自身を含む): 30909513600

約数和(自身を除く): 17600545180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 97, 110, 194, 220, 349, 388, 485, 698, 970, 1067, 1396, 1745, 1787, 1940, 2134, 3490, 3574, 3839, 4268, 5335, 6980, 7148, 7678, 8935, 10670, 15356, 17870, 19195, 19657, 21340, 33853, 35740, 38390, 39314, 67706, 76780, 78628, 98285, 135412, 169265, 173339, 196570, 338530, 346678, 372383, 393140, 623663, 677060, 693356, 744766, 866695, 1247326, 1489532, 1733390, 1861915, 1906729, 2494652, 3118315, 3466780, 3723830, 3813458, 6236630, 6860293, 7447660, 7626916, 9533645, 12473260, 13720586, 19067290, 27441172, 34301465, 38134580, 60495311, 68602930, 120990622, 137205860, 241981244, 302476555, 604953110, 665448421, 1209906220, 1330896842, 2661793684, 3327242105, 6654484210, 13308968420]

約数ペア:

[(1, 13308968420), (2, 6654484210), (4, 3327242105), (5, 2661793684), (10, 1330896842), (11, 1209906220), (20, 665448421), (22, 604953110), (44, 302476555), (55, 241981244), (97, 137205860), (110, 120990622), (194, 68602930), (220, 60495311), (349, 38134580), (388, 34301465), (485, 27441172), (698, 19067290), (970, 13720586), (1067, 12473260), (1396, 9533645), (1745, 7626916), (1787, 7447660), (1940, 6860293), (2134, 6236630), (3490, 3813458), (3574, 3723830), (3839, 3466780), (4268, 3118315), (5335, 2494652), (6980, 1906729), (7148, 1861915), (7678, 1733390), (8935, 1489532), (10670, 1247326), (15356, 866695), (17870, 744766), (19195, 693356), (19657, 677060), (21340, 623663), (33853, 393140), (35740, 372383), (38390, 346678), (39314, 338530), (67706, 196570), (76780, 173339), (78628, 169265), (98285, 135412)]