866589620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{607}}^1$

素因数の和:682

約数の個数: 144

約数和(自身を含む): 2195074560

約数和(自身を除く): 1328484940

約数列:

[1, 2, 4, 5, 10, 13, 17, 19, 20, 26, 34, 38, 52, 65, 68, 76, 85, 95, 130, 170, 190, 221, 247, 260, 289, 323, 340, 380, 442, 494, 578, 607, 646, 884, 988, 1105, 1156, 1214, 1235, 1292, 1445, 1615, 2210, 2428, 2470, 2890, 3035, 3230, 3757, 4199, 4420, 4940, 5491, 5780, 6070, 6460, 7514, 7891, 8398, 10319, 10982, 11533, 12140, 15028, 15782, 16796, 18785, 20638, 20995, 21964, 23066, 27455, 31564, 37570, 39455, 41276, 41990, 46132, 51595, 54910, 57665, 71383, 75140, 78910, 83980, 103190, 109820, 115330, 134147, 142766, 149929, 157820, 175423, 196061, 206380, 230660, 268294, 285532, 299858, 350846, 356915, 392122, 536588, 599716, 670735, 701692, 713830, 749645, 784244, 877115, 980305, 1341470, 1427660, 1499290, 1754230, 1960610, 2280499, 2548793, 2682940, 2998580, 3333037, 3508460, 3921220, 4560998, 5097586, 6666074, 9121996, 10195172, 11402495, 12743965, 13332148, 16665185, 22804990, 25487930, 33330370, 43329481, 45609980, 50975860, 66660740, 86658962, 173317924, 216647405, 433294810, 866589620]

約数ペア:

[(1, 866589620), (2, 433294810), (4, 216647405), (5, 173317924), (10, 86658962), (13, 66660740), (17, 50975860), (19, 45609980), (20, 43329481), (26, 33330370), (34, 25487930), (38, 22804990), (52, 16665185), (65, 13332148), (68, 12743965), (76, 11402495), (85, 10195172), (95, 9121996), (130, 6666074), (170, 5097586), (190, 4560998), (221, 3921220), (247, 3508460), (260, 3333037), (289, 2998580), (323, 2682940), (340, 2548793), (380, 2280499), (442, 1960610), (494, 1754230), (578, 1499290), (607, 1427660), (646, 1341470), (884, 980305), (988, 877115), (1105, 784244), (1156, 749645), (1214, 713830), (1235, 701692), (1292, 670735), (1445, 599716), (1615, 536588), (2210, 392122), (2428, 356915), (2470, 350846), (2890, 299858), (3035, 285532), (3230, 268294), (3757, 230660), (4199, 206380), (4420, 196061), (4940, 175423), (5491, 157820), (5780, 149929), (6070, 142766), (6460, 134147), (7514, 115330), (7891, 109820), (8398, 103190), (10319, 83980), (10982, 78910), (11533, 75140), (12140, 71383), (15028, 57665), (15782, 54910), (16796, 51595), (18785, 46132), (20638, 41990), (20995, 41276), (21964, 39455), (23066, 37570), (27455, 31564)]