291263180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{307}}^1$

素因数の和:459

約数の個数: 96

約数和(自身を含む): 684573120

約数和(自身を除く): 393309940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 89, 130, 164, 178, 205, 260, 307, 356, 410, 445, 533, 614, 820, 890, 1066, 1157, 1228, 1535, 1780, 2132, 2314, 2665, 3070, 3649, 3991, 4628, 5330, 5785, 6140, 7298, 7982, 10660, 11570, 12587, 14596, 15964, 18245, 19955, 23140, 25174, 27323, 36490, 39910, 47437, 50348, 54646, 62935, 72980, 79820, 94874, 109292, 125870, 136615, 163631, 189748, 237185, 251740, 273230, 327262, 355199, 474370, 546460, 654524, 710398, 818155, 948740, 1120243, 1420796, 1636310, 1775995, 2240486, 3272620, 3551990, 4480972, 5601215, 7103980, 11202430, 14563159, 22404860, 29126318, 58252636, 72815795, 145631590, 291263180]

約数ペア:

[(1, 291263180), (2, 145631590), (4, 72815795), (5, 58252636), (10, 29126318), (13, 22404860), (20, 14563159), (26, 11202430), (41, 7103980), (52, 5601215), (65, 4480972), (82, 3551990), (89, 3272620), (130, 2240486), (164, 1775995), (178, 1636310), (205, 1420796), (260, 1120243), (307, 948740), (356, 818155), (410, 710398), (445, 654524), (533, 546460), (614, 474370), (820, 355199), (890, 327262), (1066, 273230), (1157, 251740), (1228, 237185), (1535, 189748), (1780, 163631), (2132, 136615), (2314, 125870), (2665, 109292), (3070, 94874), (3649, 79820), (3991, 72980), (4628, 62935), (5330, 54646), (5785, 50348), (6140, 47437), (7298, 39910), (7982, 36490), (10660, 27323), (11570, 25174), (12587, 23140), (14596, 19955), (15964, 18245)]