64548700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{641}}^1$

素因数の和:727

約数の個数: 72

約数和(自身を含む): 150459120

約数和(自身を除く): 85910420

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 53, 76, 95, 100, 106, 190, 212, 265, 380, 475, 530, 641, 950, 1007, 1060, 1282, 1325, 1900, 2014, 2564, 2650, 3205, 4028, 5035, 5300, 6410, 10070, 12179, 12820, 16025, 20140, 24358, 25175, 32050, 33973, 48716, 50350, 60895, 64100, 67946, 100700, 121790, 135892, 169865, 243580, 304475, 339730, 608950, 645487, 679460, 849325, 1217900, 1290974, 1698650, 2581948, 3227435, 3397300, 6454870, 12909740, 16137175, 32274350, 64548700]

約数ペア:

[(1, 64548700), (2, 32274350), (4, 16137175), (5, 12909740), (10, 6454870), (19, 3397300), (20, 3227435), (25, 2581948), (38, 1698650), (50, 1290974), (53, 1217900), (76, 849325), (95, 679460), (100, 645487), (106, 608950), (190, 339730), (212, 304475), (265, 243580), (380, 169865), (475, 135892), (530, 121790), (641, 100700), (950, 67946), (1007, 64100), (1060, 60895), (1282, 50350), (1325, 48716), (1900, 33973), (2014, 32050), (2564, 25175), (2650, 24358), (3205, 20140), (4028, 16025), (5035, 12820), (5300, 12179), (6410, 10070)]