521175320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^2\times {\mathrm{197}}^1$

素因数の和:345

約数の個数: 96

約数和(自身を含む): 1262012400

約数和(自身を除く): 740837080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 59, 76, 95, 118, 152, 190, 197, 236, 295, 380, 394, 472, 590, 760, 788, 985, 1121, 1180, 1576, 1970, 2242, 2360, 3481, 3743, 3940, 4484, 5605, 6962, 7486, 7880, 8968, 11210, 11623, 13924, 14972, 17405, 18715, 22420, 23246, 27848, 29944, 34810, 37430, 44840, 46492, 58115, 66139, 69620, 74860, 92984, 116230, 132278, 139240, 149720, 220837, 232460, 264556, 330695, 441674, 464920, 529112, 661390, 685757, 883348, 1104185, 1322780, 1371514, 1766696, 2208370, 2645560, 2743028, 3428785, 4416740, 5486056, 6857570, 8833480, 13029383, 13715140, 26058766, 27430280, 52117532, 65146915, 104235064, 130293830, 260587660, 521175320]

約数ペア:

[(1, 521175320), (2, 260587660), (4, 130293830), (5, 104235064), (8, 65146915), (10, 52117532), (19, 27430280), (20, 26058766), (38, 13715140), (40, 13029383), (59, 8833480), (76, 6857570), (95, 5486056), (118, 4416740), (152, 3428785), (190, 2743028), (197, 2645560), (236, 2208370), (295, 1766696), (380, 1371514), (394, 1322780), (472, 1104185), (590, 883348), (760, 685757), (788, 661390), (985, 529112), (1121, 464920), (1180, 441674), (1576, 330695), (1970, 264556), (2242, 232460), (2360, 220837), (3481, 149720), (3743, 139240), (3940, 132278), (4484, 116230), (5605, 92984), (6962, 74860), (7486, 69620), (7880, 66139), (8968, 58115), (11210, 46492), (11623, 44840), (13924, 37430), (14972, 34810), (17405, 29944), (18715, 27848), (22420, 23246)]