66690650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:168

約数の個数: 96

約数和(自身を含む): 142490880

約数和(自身を除く): 75800230

約数列:

[1, 2, 5, 10, 13, 25, 26, 37, 47, 50, 59, 65, 74, 94, 118, 130, 185, 235, 295, 325, 370, 470, 481, 590, 611, 650, 767, 925, 962, 1175, 1222, 1475, 1534, 1739, 1850, 2183, 2350, 2405, 2773, 2950, 3055, 3478, 3835, 4366, 4810, 5546, 6110, 7670, 8695, 10915, 12025, 13865, 15275, 17390, 19175, 21830, 22607, 24050, 27730, 28379, 30550, 36049, 38350, 43475, 45214, 54575, 56758, 69325, 72098, 86950, 102601, 109150, 113035, 138650, 141895, 180245, 205202, 226070, 283790, 360490, 513005, 565175, 709475, 901225, 1026010, 1130350, 1333813, 1418950, 1802450, 2565025, 2667626, 5130050, 6669065, 13338130, 33345325, 66690650]

約数ペア:

[(1, 66690650), (2, 33345325), (5, 13338130), (10, 6669065), (13, 5130050), (25, 2667626), (26, 2565025), (37, 1802450), (47, 1418950), (50, 1333813), (59, 1130350), (65, 1026010), (74, 901225), (94, 709475), (118, 565175), (130, 513005), (185, 360490), (235, 283790), (295, 226070), (325, 205202), (370, 180245), (470, 141895), (481, 138650), (590, 113035), (611, 109150), (650, 102601), (767, 86950), (925, 72098), (962, 69325), (1175, 56758), (1222, 54575), (1475, 45214), (1534, 43475), (1739, 38350), (1850, 36049), (2183, 30550), (2350, 28379), (2405, 27730), (2773, 24050), (2950, 22607), (3055, 21830), (3478, 19175), (3835, 17390), (4366, 15275), (4810, 13865), (5546, 12025), (6110, 10915), (7670, 8695)]