749599840

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{1249}}^1$

素因数の和:1317

約数の個数: 144

約数和(自身を含む): 2010960000

約数和(自身を除く): 1261360160

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 80, 88, 110, 121, 124, 155, 160, 176, 220, 242, 248, 310, 341, 352, 440, 484, 496, 605, 620, 682, 880, 968, 992, 1210, 1240, 1249, 1364, 1705, 1760, 1936, 2420, 2480, 2498, 2728, 3410, 3751, 3872, 4840, 4960, 4996, 5456, 6245, 6820, 7502, 9680, 9992, 10912, 12490, 13640, 13739, 15004, 18755, 19360, 19984, 24980, 27280, 27478, 30008, 37510, 38719, 39968, 49960, 54560, 54956, 60016, 68695, 75020, 77438, 99920, 109912, 120032, 137390, 150040, 151129, 154876, 193595, 199840, 219824, 274780, 300080, 302258, 309752, 387190, 425909, 439648, 549560, 600160, 604516, 619504, 755645, 774380, 851818, 1099120, 1209032, 1239008, 1511290, 1548760, 1703636, 2129545, 2198240, 2418064, 3022580, 3097520, 3407272, 4259090, 4684999, 4836128, 6045160, 6195040, 6814544, 8518180, 9369998, 12090320, 13629088, 17036360, 18739996, 23424995, 24180640, 34072720, 37479992, 46849990, 68145440, 74959984, 93699980, 149919968, 187399960, 374799920, 749599840]

約数ペア:

[(1, 749599840), (2, 374799920), (4, 187399960), (5, 149919968), (8, 93699980), (10, 74959984), (11, 68145440), (16, 46849990), (20, 37479992), (22, 34072720), (31, 24180640), (32, 23424995), (40, 18739996), (44, 17036360), (55, 13629088), (62, 12090320), (80, 9369998), (88, 8518180), (110, 6814544), (121, 6195040), (124, 6045160), (155, 4836128), (160, 4684999), (176, 4259090), (220, 3407272), (242, 3097520), (248, 3022580), (310, 2418064), (341, 2198240), (352, 2129545), (440, 1703636), (484, 1548760), (496, 1511290), (605, 1239008), (620, 1209032), (682, 1099120), (880, 851818), (968, 774380), (992, 755645), (1210, 619504), (1240, 604516), (1249, 600160), (1364, 549560), (1705, 439648), (1760, 425909), (1936, 387190), (2420, 309752), (2480, 302258), (2498, 300080), (2728, 274780), (3410, 219824), (3751, 199840), (3872, 193595), (4840, 154876), (4960, 151129), (4996, 150040), (5456, 137390), (6245, 120032), (6820, 109912), (7502, 99920), (9680, 77438), (9992, 75020), (10912, 68695), (12490, 60016), (13640, 54956), (13739, 54560), (15004, 49960), (18755, 39968), (19360, 38719), (19984, 37510), (24980, 30008), (27280, 27478)]