291211778540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{201673}}^1$

素因数の和:201867

約数の個数: 96

約数和(自身を含む): 673287842304

約数和(自身を除く): 382076063764

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 137, 155, 170, 274, 310, 340, 527, 548, 620, 685, 1054, 1370, 2108, 2329, 2635, 2740, 4247, 4658, 5270, 8494, 9316, 10540, 11645, 16988, 21235, 23290, 42470, 46580, 72199, 84940, 144398, 201673, 288796, 360995, 403346, 721990, 806692, 1008365, 1443980, 2016730, 3428441, 4033460, 6251863, 6856882, 12503726, 13713764, 17142205, 25007452, 27629201, 31259315, 34284410, 55258402, 62518630, 68568820, 106281671, 110516804, 125037260, 138146005, 212563342, 276292010, 425126684, 469696417, 531408355, 552584020, 856505231, 939392834, 1062816710, 1713010462, 1878785668, 2125633420, 2348482085, 3426020924, 4282526155, 4696964170, 8565052310, 9393928340, 14560588927, 17130104620, 29121177854, 58242355708, 72802944635, 145605889270, 291211778540]

約数ペア:

[(1, 291211778540), (2, 145605889270), (4, 72802944635), (5, 58242355708), (10, 29121177854), (17, 17130104620), (20, 14560588927), (31, 9393928340), (34, 8565052310), (62, 4696964170), (68, 4282526155), (85, 3426020924), (124, 2348482085), (137, 2125633420), (155, 1878785668), (170, 1713010462), (274, 1062816710), (310, 939392834), (340, 856505231), (527, 552584020), (548, 531408355), (620, 469696417), (685, 425126684), (1054, 276292010), (1370, 212563342), (2108, 138146005), (2329, 125037260), (2635, 110516804), (2740, 106281671), (4247, 68568820), (4658, 62518630), (5270, 55258402), (8494, 34284410), (9316, 31259315), (10540, 27629201), (11645, 25007452), (16988, 17142205), (21235, 13713764), (23290, 12503726), (42470, 6856882), (46580, 6251863), (72199, 4033460), (84940, 3428441), (144398, 2016730), (201673, 1443980), (288796, 1008365), (360995, 806692), (403346, 721990)]