2013989660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{773}}^1$

素因数の和:975

約数の個数: 96

約数和(自身を含む): 4587528960

約数和(自身を除く): 2573539300

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 79, 85, 97, 158, 170, 194, 316, 340, 388, 395, 485, 773, 790, 970, 1343, 1546, 1580, 1649, 1940, 2686, 3092, 3298, 3865, 5372, 6596, 6715, 7663, 7730, 8245, 13141, 13430, 15326, 15460, 16490, 26282, 26860, 30652, 32980, 38315, 52564, 61067, 65705, 74981, 76630, 122134, 130271, 131410, 149962, 153260, 244268, 260542, 262820, 299924, 305335, 374905, 521084, 610670, 651355, 749810, 1038139, 1221340, 1274677, 1302710, 1499620, 2076278, 2549354, 2605420, 4152556, 5098708, 5190695, 5923499, 6373385, 10381390, 11846998, 12746770, 20762780, 23693996, 25493540, 29617495, 59234990, 100699483, 118469980, 201398966, 402797932, 503497415, 1006994830, 2013989660]

約数ペア:

[(1, 2013989660), (2, 1006994830), (4, 503497415), (5, 402797932), (10, 201398966), (17, 118469980), (20, 100699483), (34, 59234990), (68, 29617495), (79, 25493540), (85, 23693996), (97, 20762780), (158, 12746770), (170, 11846998), (194, 10381390), (316, 6373385), (340, 5923499), (388, 5190695), (395, 5098708), (485, 4152556), (773, 2605420), (790, 2549354), (970, 2076278), (1343, 1499620), (1546, 1302710), (1580, 1274677), (1649, 1221340), (1940, 1038139), (2686, 749810), (3092, 651355), (3298, 610670), (3865, 521084), (5372, 374905), (6596, 305335), (6715, 299924), (7663, 262820), (7730, 260542), (8245, 244268), (13141, 153260), (13430, 149962), (15326, 131410), (15460, 130271), (16490, 122134), (26282, 76630), (26860, 74981), (30652, 65705), (32980, 61067), (38315, 52564)]