154021790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{491}}^1$

素因数の和:657

約数の個数: 64

約数和(自身を含む): 317399040

約数和(自身を除く): 163377250

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 127, 130, 190, 247, 254, 491, 494, 635, 982, 1235, 1270, 1651, 2413, 2455, 2470, 3302, 4826, 4910, 6383, 8255, 9329, 12065, 12766, 16510, 18658, 24130, 31369, 31915, 46645, 62357, 62738, 63830, 93290, 121277, 124714, 156845, 242554, 311785, 313690, 606385, 623570, 810641, 1184783, 1212770, 1621282, 2369566, 4053205, 5923915, 8106410, 11847830, 15402179, 30804358, 77010895, 154021790]

約数ペア:

[(1, 154021790), (2, 77010895), (5, 30804358), (10, 15402179), (13, 11847830), (19, 8106410), (26, 5923915), (38, 4053205), (65, 2369566), (95, 1621282), (127, 1212770), (130, 1184783), (190, 810641), (247, 623570), (254, 606385), (491, 313690), (494, 311785), (635, 242554), (982, 156845), (1235, 124714), (1270, 121277), (1651, 93290), (2413, 63830), (2455, 62738), (2470, 62357), (3302, 46645), (4826, 31915), (4910, 31369), (6383, 24130), (8255, 18658), (9329, 16510), (12065, 12766)]