788800120

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{263}}^1\times {\mathrm{773}}^1$

素因数の和:1144

約数の個数: 64

約数和(自身を含む): 1802243520

約数和(自身を除く): 1013443400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 263, 388, 485, 526, 773, 776, 970, 1052, 1315, 1546, 1940, 2104, 2630, 3092, 3865, 3880, 5260, 6184, 7730, 10520, 15460, 25511, 30920, 51022, 74981, 102044, 127555, 149962, 203299, 204088, 255110, 299924, 374905, 406598, 510220, 599848, 749810, 813196, 1016495, 1020440, 1499620, 1626392, 2032990, 2999240, 4065980, 8131960, 19720003, 39440006, 78880012, 98600015, 157760024, 197200030, 394400060, 788800120]

約数ペア:

[(1, 788800120), (2, 394400060), (4, 197200030), (5, 157760024), (8, 98600015), (10, 78880012), (20, 39440006), (40, 19720003), (97, 8131960), (194, 4065980), (263, 2999240), (388, 2032990), (485, 1626392), (526, 1499620), (773, 1020440), (776, 1016495), (970, 813196), (1052, 749810), (1315, 599848), (1546, 510220), (1940, 406598), (2104, 374905), (2630, 299924), (3092, 255110), (3865, 204088), (3880, 203299), (5260, 149962), (6184, 127555), (7730, 102044), (10520, 74981), (15460, 51022), (25511, 30920)]