142877860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^2$

素因数の和:253

約数の個数: 72

約数和(自身を含む): 326838456

約数和(自身を除く): 183960596

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 68, 83, 85, 122, 166, 170, 244, 305, 332, 340, 415, 610, 830, 1037, 1220, 1411, 1660, 2074, 2822, 4148, 5063, 5185, 5644, 6889, 7055, 10126, 10370, 13778, 14110, 20252, 20740, 25315, 27556, 28220, 34445, 50630, 68890, 86071, 101260, 117113, 137780, 172142, 234226, 344284, 420229, 430355, 468452, 585565, 840458, 860710, 1171130, 1680916, 1721420, 2101145, 2342260, 4202290, 7143893, 8404580, 14287786, 28575572, 35719465, 71438930, 142877860]

約数ペア:

[(1, 142877860), (2, 71438930), (4, 35719465), (5, 28575572), (10, 14287786), (17, 8404580), (20, 7143893), (34, 4202290), (61, 2342260), (68, 2101145), (83, 1721420), (85, 1680916), (122, 1171130), (166, 860710), (170, 840458), (244, 585565), (305, 468452), (332, 430355), (340, 420229), (415, 344284), (610, 234226), (830, 172142), (1037, 137780), (1220, 117113), (1411, 101260), (1660, 86071), (2074, 68890), (2822, 50630), (4148, 34445), (5063, 28220), (5185, 27556), (5644, 25315), (6889, 20740), (7055, 20252), (10126, 14110), (10370, 13778)]