42708380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:279

約数の個数: 96

約数和(自身を含む): 107110080

約数和(自身を除く): 64401700

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 109, 110, 130, 137, 143, 218, 220, 260, 274, 286, 436, 545, 548, 572, 685, 715, 1090, 1199, 1370, 1417, 1430, 1507, 1781, 2180, 2398, 2740, 2834, 2860, 3014, 3562, 4796, 5668, 5995, 6028, 7085, 7124, 7535, 8905, 11990, 14170, 14933, 15070, 15587, 17810, 19591, 23980, 28340, 29866, 30140, 31174, 35620, 39182, 59732, 62348, 74665, 77935, 78364, 97955, 149330, 155870, 164263, 194129, 195910, 298660, 311740, 328526, 388258, 391820, 657052, 776516, 821315, 970645, 1642630, 1941290, 2135419, 3285260, 3882580, 4270838, 8541676, 10677095, 21354190, 42708380]

約数ペア:

[(1, 42708380), (2, 21354190), (4, 10677095), (5, 8541676), (10, 4270838), (11, 3882580), (13, 3285260), (20, 2135419), (22, 1941290), (26, 1642630), (44, 970645), (52, 821315), (55, 776516), (65, 657052), (109, 391820), (110, 388258), (130, 328526), (137, 311740), (143, 298660), (218, 195910), (220, 194129), (260, 164263), (274, 155870), (286, 149330), (436, 97955), (545, 78364), (548, 77935), (572, 74665), (685, 62348), (715, 59732), (1090, 39182), (1199, 35620), (1370, 31174), (1417, 30140), (1430, 29866), (1507, 28340), (1781, 23980), (2180, 19591), (2398, 17810), (2740, 15587), (2834, 15070), (2860, 14933), (3014, 14170), (3562, 11990), (4796, 8905), (5668, 7535), (5995, 7124), (6028, 7085)]