66979750

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1$

素因数の和:334

約数の個数: 64

約数和(自身を含む): 134784000

約数和(自身を除く): 67804250

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 59, 95, 118, 125, 190, 239, 250, 295, 475, 478, 590, 950, 1121, 1195, 1475, 2242, 2375, 2390, 2950, 4541, 4750, 5605, 5975, 7375, 9082, 11210, 11950, 14101, 14750, 22705, 28025, 28202, 29875, 45410, 56050, 59750, 70505, 113525, 140125, 141010, 227050, 267919, 280250, 352525, 535838, 567625, 705050, 1135250, 1339595, 1762625, 2679190, 3525250, 6697975, 13395950, 33489875, 66979750]

約数ペア:

[(1, 66979750), (2, 33489875), (5, 13395950), (10, 6697975), (19, 3525250), (25, 2679190), (38, 1762625), (50, 1339595), (59, 1135250), (95, 705050), (118, 567625), (125, 535838), (190, 352525), (239, 280250), (250, 267919), (295, 227050), (475, 141010), (478, 140125), (590, 113525), (950, 70505), (1121, 59750), (1195, 56050), (1475, 45410), (2242, 29875), (2375, 28202), (2390, 28025), (2950, 22705), (4541, 14750), (4750, 14101), (5605, 11950), (5975, 11210), (7375, 9082)]