401038380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1031}}^1\times {\mathrm{2161}}^1$

素因数の和:3207

約数の個数: 72

約数和(自身を含む): 1218226464

約数和(自身を除く): 817188084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1031, 2062, 2161, 3093, 4124, 4322, 5155, 6186, 6483, 8644, 9279, 10310, 10805, 12372, 12966, 15465, 18558, 19449, 20620, 21610, 25932, 30930, 32415, 37116, 38898, 43220, 46395, 61860, 64830, 77796, 92790, 97245, 129660, 185580, 194490, 388980, 2227991, 4455982, 6683973, 8911964, 11139955, 13367946, 20051919, 22279910, 26735892, 33419865, 40103838, 44559820, 66839730, 80207676, 100259595, 133679460, 200519190, 401038380]

約数ペア:

[(1, 401038380), (2, 200519190), (3, 133679460), (4, 100259595), (5, 80207676), (6, 66839730), (9, 44559820), (10, 40103838), (12, 33419865), (15, 26735892), (18, 22279910), (20, 20051919), (30, 13367946), (36, 11139955), (45, 8911964), (60, 6683973), (90, 4455982), (180, 2227991), (1031, 388980), (2062, 194490), (2161, 185580), (3093, 129660), (4124, 97245), (4322, 92790), (5155, 77796), (6186, 64830), (6483, 61860), (8644, 46395), (9279, 43220), (10310, 38898), (10805, 37116), (12372, 32415), (12966, 30930), (15465, 25932), (18558, 21610), (19449, 20620)]