997419420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{19861}}^1$

素因数の和:19913

約数の個数: 120

約数和(自身を含む): 3230037888

約数和(自身を除く): 2232618468

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 81, 90, 93, 108, 124, 135, 155, 162, 180, 186, 270, 279, 310, 324, 372, 405, 465, 540, 558, 620, 810, 837, 930, 1116, 1395, 1620, 1674, 1860, 2511, 2790, 3348, 4185, 5022, 5580, 8370, 10044, 12555, 16740, 19861, 25110, 39722, 50220, 59583, 79444, 99305, 119166, 178749, 198610, 238332, 297915, 357498, 397220, 536247, 595830, 615691, 714996, 893745, 1072494, 1191660, 1231382, 1608741, 1787490, 1847073, 2144988, 2462764, 2681235, 3078455, 3217482, 3574980, 3694146, 5362470, 5541219, 6156910, 6434964, 7388292, 8043705, 9235365, 10724940, 11082438, 12313820, 16087410, 16623657, 18470730, 22164876, 27706095, 32174820, 33247314, 36941460, 49870971, 55412190, 66494628, 83118285, 99741942, 110824380, 166236570, 199483884, 249354855, 332473140, 498709710, 997419420]

約数ペア:

[(1, 997419420), (2, 498709710), (3, 332473140), (4, 249354855), (5, 199483884), (6, 166236570), (9, 110824380), (10, 99741942), (12, 83118285), (15, 66494628), (18, 55412190), (20, 49870971), (27, 36941460), (30, 33247314), (31, 32174820), (36, 27706095), (45, 22164876), (54, 18470730), (60, 16623657), (62, 16087410), (81, 12313820), (90, 11082438), (93, 10724940), (108, 9235365), (124, 8043705), (135, 7388292), (155, 6434964), (162, 6156910), (180, 5541219), (186, 5362470), (270, 3694146), (279, 3574980), (310, 3217482), (324, 3078455), (372, 2681235), (405, 2462764), (465, 2144988), (540, 1847073), (558, 1787490), (620, 1608741), (810, 1231382), (837, 1191660), (930, 1072494), (1116, 893745), (1395, 714996), (1620, 615691), (1674, 595830), (1860, 536247), (2511, 397220), (2790, 357498), (3348, 297915), (4185, 238332), (5022, 198610), (5580, 178749), (8370, 119166), (10044, 99305), (12555, 79444), (16740, 59583), (19861, 50220), (25110, 39722)]