84329980

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{647}}^1$

素因数の和:696

約数の個数: 96

約数和(自身を含む): 217728000

約数和(自身を除く): 133398020

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 343, 380, 490, 532, 647, 665, 686, 931, 980, 1294, 1330, 1372, 1715, 1862, 2588, 2660, 3235, 3430, 3724, 4529, 4655, 6470, 6517, 6860, 9058, 9310, 12293, 12940, 13034, 18116, 18620, 22645, 24586, 26068, 31703, 32585, 45290, 49172, 61465, 63406, 65170, 86051, 90580, 122930, 126812, 130340, 158515, 172102, 221921, 245860, 317030, 344204, 430255, 443842, 602357, 634060, 860510, 887684, 1109605, 1204714, 1721020, 2219210, 2409428, 3011785, 4216499, 4438420, 6023570, 8432998, 12047140, 16865996, 21082495, 42164990, 84329980]

約数ペア:

[(1, 84329980), (2, 42164990), (4, 21082495), (5, 16865996), (7, 12047140), (10, 8432998), (14, 6023570), (19, 4438420), (20, 4216499), (28, 3011785), (35, 2409428), (38, 2219210), (49, 1721020), (70, 1204714), (76, 1109605), (95, 887684), (98, 860510), (133, 634060), (140, 602357), (190, 443842), (196, 430255), (245, 344204), (266, 317030), (343, 245860), (380, 221921), (490, 172102), (532, 158515), (647, 130340), (665, 126812), (686, 122930), (931, 90580), (980, 86051), (1294, 65170), (1330, 63406), (1372, 61465), (1715, 49172), (1862, 45290), (2588, 32585), (2660, 31703), (3235, 26068), (3430, 24586), (3724, 22645), (4529, 18620), (4655, 18116), (6470, 13034), (6517, 12940), (6860, 12293), (9058, 9310)]