392209520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{947}}^1$

素因数の和:1158

約数の個数: 80

約数和(自身を含む): 947939328

約数和(自身を除く): 555729808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 167, 248, 310, 334, 496, 620, 668, 835, 947, 1240, 1336, 1670, 1894, 2480, 2672, 3340, 3788, 4735, 5177, 6680, 7576, 9470, 10354, 13360, 15152, 18940, 20708, 25885, 29357, 37880, 41416, 51770, 58714, 75760, 82832, 103540, 117428, 146785, 158149, 207080, 234856, 293570, 316298, 414160, 469712, 587140, 632596, 790745, 1174280, 1265192, 1581490, 2348560, 2530384, 3162980, 4902619, 6325960, 9805238, 12651920, 19610476, 24513095, 39220952, 49026190, 78441904, 98052380, 196104760, 392209520]

約数ペア:

[(1, 392209520), (2, 196104760), (4, 98052380), (5, 78441904), (8, 49026190), (10, 39220952), (16, 24513095), (20, 19610476), (31, 12651920), (40, 9805238), (62, 6325960), (80, 4902619), (124, 3162980), (155, 2530384), (167, 2348560), (248, 1581490), (310, 1265192), (334, 1174280), (496, 790745), (620, 632596), (668, 587140), (835, 469712), (947, 414160), (1240, 316298), (1336, 293570), (1670, 234856), (1894, 207080), (2480, 158149), (2672, 146785), (3340, 117428), (3788, 103540), (4735, 82832), (5177, 75760), (6680, 58714), (7576, 51770), (9470, 41416), (10354, 37880), (13360, 29357), (15152, 25885), (18940, 20708)]