393497880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{761}}^1$

素因数の和:945

約数の個数: 128

約数和(自身を含む): 1228953600

約数和(自身を除く): 835455720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 139, 155, 186, 248, 278, 310, 372, 417, 465, 556, 620, 695, 744, 761, 834, 930, 1112, 1240, 1390, 1522, 1668, 1860, 2085, 2283, 2780, 3044, 3336, 3720, 3805, 4170, 4309, 4566, 5560, 6088, 7610, 8340, 8618, 9132, 11415, 12927, 15220, 16680, 17236, 18264, 21545, 22830, 23591, 25854, 30440, 34472, 43090, 45660, 47182, 51708, 64635, 70773, 86180, 91320, 94364, 103416, 105779, 117955, 129270, 141546, 172360, 188728, 211558, 235910, 258540, 283092, 317337, 353865, 423116, 471820, 517080, 528895, 566184, 634674, 707730, 846232, 943640, 1057790, 1269348, 1415460, 1586685, 2115580, 2538696, 2830920, 3173370, 3279149, 4231160, 6346740, 6558298, 9837447, 12693480, 13116596, 16395745, 19674894, 26233192, 32791490, 39349788, 49187235, 65582980, 78699576, 98374470, 131165960, 196748940, 393497880]

約数ペア:

[(1, 393497880), (2, 196748940), (3, 131165960), (4, 98374470), (5, 78699576), (6, 65582980), (8, 49187235), (10, 39349788), (12, 32791490), (15, 26233192), (20, 19674894), (24, 16395745), (30, 13116596), (31, 12693480), (40, 9837447), (60, 6558298), (62, 6346740), (93, 4231160), (120, 3279149), (124, 3173370), (139, 2830920), (155, 2538696), (186, 2115580), (248, 1586685), (278, 1415460), (310, 1269348), (372, 1057790), (417, 943640), (465, 846232), (556, 707730), (620, 634674), (695, 566184), (744, 528895), (761, 517080), (834, 471820), (930, 423116), (1112, 353865), (1240, 317337), (1390, 283092), (1522, 258540), (1668, 235910), (1860, 211558), (2085, 188728), (2283, 172360), (2780, 141546), (3044, 129270), (3336, 117955), (3720, 105779), (3805, 103416), (4170, 94364), (4309, 91320), (4566, 86180), (5560, 70773), (6088, 64635), (7610, 51708), (8340, 47182), (8618, 45660), (9132, 43090), (11415, 34472), (12927, 30440), (15220, 25854), (16680, 23591), (17236, 22830), (18264, 21545)]