72011990

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:233

約数の個数: 64

約数和(自身を含む): 140652288

約数和(自身を除く): 68640298

約数列:

[1, 2, 5, 10, 37, 41, 47, 74, 82, 94, 101, 185, 202, 205, 235, 370, 410, 470, 505, 1010, 1517, 1739, 1927, 3034, 3478, 3737, 3854, 4141, 4747, 7474, 7585, 8282, 8695, 9494, 9635, 15170, 17390, 18685, 19270, 20705, 23735, 37370, 41410, 47470, 71299, 142598, 153217, 175639, 194627, 306434, 351278, 356495, 389254, 712990, 766085, 878195, 973135, 1532170, 1756390, 1946270, 7201199, 14402398, 36005995, 72011990]

約数ペア:

[(1, 72011990), (2, 36005995), (5, 14402398), (10, 7201199), (37, 1946270), (41, 1756390), (47, 1532170), (74, 973135), (82, 878195), (94, 766085), (101, 712990), (185, 389254), (202, 356495), (205, 351278), (235, 306434), (370, 194627), (410, 175639), (470, 153217), (505, 142598), (1010, 71299), (1517, 47470), (1739, 41410), (1927, 37370), (3034, 23735), (3478, 20705), (3737, 19270), (3854, 18685), (4141, 17390), (4747, 15170), (7474, 9635), (7585, 9494), (8282, 8695)]