305184100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1297}}^1$

素因数の和:1505

約数の個数: 72

約数和(自身を含む): 717684968

約数和(自身を除く): 412500868

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 181, 260, 325, 362, 650, 724, 905, 1297, 1300, 1810, 2353, 2594, 3620, 4525, 4706, 5188, 6485, 9050, 9412, 11765, 12970, 16861, 18100, 23530, 25940, 32425, 33722, 47060, 58825, 64850, 67444, 84305, 117650, 129700, 168610, 234757, 235300, 337220, 421525, 469514, 843050, 939028, 1173785, 1686100, 2347570, 3051841, 4695140, 5868925, 6103682, 11737850, 12207364, 15259205, 23475700, 30518410, 61036820, 76296025, 152592050, 305184100]

約数ペア:

[(1, 305184100), (2, 152592050), (4, 76296025), (5, 61036820), (10, 30518410), (13, 23475700), (20, 15259205), (25, 12207364), (26, 11737850), (50, 6103682), (52, 5868925), (65, 4695140), (100, 3051841), (130, 2347570), (181, 1686100), (260, 1173785), (325, 939028), (362, 843050), (650, 469514), (724, 421525), (905, 337220), (1297, 235300), (1300, 234757), (1810, 168610), (2353, 129700), (2594, 117650), (3620, 84305), (4525, 67444), (4706, 64850), (5188, 58825), (6485, 47060), (9050, 33722), (9412, 32425), (11765, 25940), (12970, 23530), (16861, 18100)]