1385996920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{3719}}^1$

素因数の和:3770

約数の個数: 128

約数和(自身を含む): 3921177600

約数和(自身を除く): 2535180680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 121, 140, 154, 220, 242, 280, 308, 385, 440, 484, 605, 616, 770, 847, 968, 1210, 1331, 1540, 1694, 2420, 2662, 3080, 3388, 3719, 4235, 4840, 5324, 6655, 6776, 7438, 8470, 9317, 10648, 13310, 14876, 16940, 18595, 18634, 26033, 26620, 29752, 33880, 37190, 37268, 40909, 46585, 52066, 53240, 74380, 74536, 81818, 93170, 104132, 130165, 148760, 163636, 186340, 204545, 208264, 260330, 286363, 327272, 372680, 409090, 449999, 520660, 572726, 818180, 899998, 1041320, 1145452, 1431815, 1636360, 1799996, 2249995, 2290904, 2863630, 3149993, 3599992, 4499990, 4949989, 5727260, 6299986, 8999980, 9899978, 11454520, 12599972, 15749965, 17999960, 19799956, 24749945, 25199944, 31499930, 34649923, 39599912, 49499890, 62999860, 69299846, 98999780, 125999720, 138599692, 173249615, 197999560, 277199384, 346499230, 692998460, 1385996920]

約数ペア:

[(1, 1385996920), (2, 692998460), (4, 346499230), (5, 277199384), (7, 197999560), (8, 173249615), (10, 138599692), (11, 125999720), (14, 98999780), (20, 69299846), (22, 62999860), (28, 49499890), (35, 39599912), (40, 34649923), (44, 31499930), (55, 25199944), (56, 24749945), (70, 19799956), (77, 17999960), (88, 15749965), (110, 12599972), (121, 11454520), (140, 9899978), (154, 8999980), (220, 6299986), (242, 5727260), (280, 4949989), (308, 4499990), (385, 3599992), (440, 3149993), (484, 2863630), (605, 2290904), (616, 2249995), (770, 1799996), (847, 1636360), (968, 1431815), (1210, 1145452), (1331, 1041320), (1540, 899998), (1694, 818180), (2420, 572726), (2662, 520660), (3080, 449999), (3388, 409090), (3719, 372680), (4235, 327272), (4840, 286363), (5324, 260330), (6655, 208264), (6776, 204545), (7438, 186340), (8470, 163636), (9317, 148760), (10648, 130165), (13310, 104132), (14876, 93170), (16940, 81818), (18595, 74536), (18634, 74380), (26033, 53240), (26620, 52066), (29752, 46585), (33880, 40909), (37190, 37268)]