291275960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{2393}}^1$

素因数の和:2600

約数の個数: 64

約数和(自身を含む): 698090400

約数和(自身を除く): 406814440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 179, 340, 358, 680, 716, 895, 1432, 1790, 2393, 3043, 3580, 4786, 6086, 7160, 9572, 11965, 12172, 15215, 19144, 23930, 24344, 30430, 40681, 47860, 60860, 81362, 95720, 121720, 162724, 203405, 325448, 406810, 428347, 813620, 856694, 1627240, 1713388, 2141735, 3426776, 4283470, 7281899, 8566940, 14563798, 17133880, 29127596, 36409495, 58255192, 72818990, 145637980, 291275960]

約数ペア:

[(1, 291275960), (2, 145637980), (4, 72818990), (5, 58255192), (8, 36409495), (10, 29127596), (17, 17133880), (20, 14563798), (34, 8566940), (40, 7281899), (68, 4283470), (85, 3426776), (136, 2141735), (170, 1713388), (179, 1627240), (340, 856694), (358, 813620), (680, 428347), (716, 406810), (895, 325448), (1432, 203405), (1790, 162724), (2393, 121720), (3043, 95720), (3580, 81362), (4786, 60860), (6086, 47860), (7160, 40681), (9572, 30430), (11965, 24344), (12172, 23930), (15215, 19144)]