86968700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{503}}^1$

素因数の和:556

約数の個数: 144

約数和(自身を含む): 244984320

約数和(自身を除く): 158015620

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 25, 26, 28, 35, 38, 50, 52, 65, 70, 76, 91, 95, 100, 130, 133, 140, 175, 182, 190, 247, 260, 266, 325, 350, 364, 380, 455, 475, 494, 503, 532, 650, 665, 700, 910, 950, 988, 1006, 1235, 1300, 1330, 1729, 1820, 1900, 2012, 2275, 2470, 2515, 2660, 3325, 3458, 3521, 4550, 4940, 5030, 6175, 6539, 6650, 6916, 7042, 8645, 9100, 9557, 10060, 12350, 12575, 13078, 13300, 14084, 17290, 17605, 19114, 24700, 25150, 26156, 32695, 34580, 35210, 38228, 43225, 45773, 47785, 50300, 65390, 66899, 70420, 86450, 88025, 91546, 95570, 124241, 130780, 133798, 163475, 172900, 176050, 183092, 191140, 228865, 238925, 248482, 267596, 326950, 334495, 352100, 457730, 477850, 496964, 621205, 653900, 668990, 869687, 915460, 955700, 1144325, 1242410, 1337980, 1672475, 1739374, 2288650, 2484820, 3106025, 3344950, 3478748, 4348435, 4577300, 6212050, 6689900, 8696870, 12424100, 17393740, 21742175, 43484350, 86968700]

約数ペア:

[(1, 86968700), (2, 43484350), (4, 21742175), (5, 17393740), (7, 12424100), (10, 8696870), (13, 6689900), (14, 6212050), (19, 4577300), (20, 4348435), (25, 3478748), (26, 3344950), (28, 3106025), (35, 2484820), (38, 2288650), (50, 1739374), (52, 1672475), (65, 1337980), (70, 1242410), (76, 1144325), (91, 955700), (95, 915460), (100, 869687), (130, 668990), (133, 653900), (140, 621205), (175, 496964), (182, 477850), (190, 457730), (247, 352100), (260, 334495), (266, 326950), (325, 267596), (350, 248482), (364, 238925), (380, 228865), (455, 191140), (475, 183092), (494, 176050), (503, 172900), (532, 163475), (650, 133798), (665, 130780), (700, 124241), (910, 95570), (950, 91546), (988, 88025), (1006, 86450), (1235, 70420), (1300, 66899), (1330, 65390), (1729, 50300), (1820, 47785), (1900, 45773), (2012, 43225), (2275, 38228), (2470, 35210), (2515, 34580), (2660, 32695), (3325, 26156), (3458, 25150), (3521, 24700), (4550, 19114), (4940, 17605), (5030, 17290), (6175, 14084), (6539, 13300), (6650, 13078), (6916, 12575), (7042, 12350), (8645, 10060), (9100, 9557)]