78422500

素因数分解:

$2^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1$

素因数の和:183

約数の個数: 120

約数和(自身を含む): 195937280

約数和(自身を除く): 117514780

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 95, 100, 125, 127, 130, 190, 247, 250, 254, 260, 325, 380, 475, 494, 500, 508, 625, 635, 650, 950, 988, 1235, 1250, 1270, 1300, 1625, 1651, 1900, 2375, 2413, 2470, 2500, 2540, 3175, 3250, 3302, 4750, 4826, 4940, 6175, 6350, 6500, 6604, 8125, 8255, 9500, 9652, 11875, 12065, 12350, 12700, 15875, 16250, 16510, 23750, 24130, 24700, 30875, 31369, 31750, 32500, 33020, 41275, 47500, 48260, 60325, 61750, 62738, 63500, 79375, 82550, 120650, 123500, 125476, 154375, 156845, 158750, 165100, 206375, 241300, 301625, 308750, 313690, 317500, 412750, 603250, 617500, 627380, 784225, 825500, 1031875, 1206500, 1508125, 1568450, 2063750, 3016250, 3136900, 3921125, 4127500, 6032500, 7842250, 15684500, 19605625, 39211250, 78422500]

約数ペア:

[(1, 78422500), (2, 39211250), (4, 19605625), (5, 15684500), (10, 7842250), (13, 6032500), (19, 4127500), (20, 3921125), (25, 3136900), (26, 3016250), (38, 2063750), (50, 1568450), (52, 1508125), (65, 1206500), (76, 1031875), (95, 825500), (100, 784225), (125, 627380), (127, 617500), (130, 603250), (190, 412750), (247, 317500), (250, 313690), (254, 308750), (260, 301625), (325, 241300), (380, 206375), (475, 165100), (494, 158750), (500, 156845), (508, 154375), (625, 125476), (635, 123500), (650, 120650), (950, 82550), (988, 79375), (1235, 63500), (1250, 62738), (1270, 61750), (1300, 60325), (1625, 48260), (1651, 47500), (1900, 41275), (2375, 33020), (2413, 32500), (2470, 31750), (2500, 31369), (2540, 30875), (3175, 24700), (3250, 24130), (3302, 23750), (4750, 16510), (4826, 16250), (4940, 15875), (6175, 12700), (6350, 12350), (6500, 12065), (6604, 11875), (8125, 9652), (8255, 9500)]