1999858240

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{367621}}^1$

素因数の和:367655

約数の個数: 56

約数和(自身を含む): 5042303352

約数和(自身を除く): 3042445112

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 5440, 367621, 735242, 1470484, 1838105, 2940968, 3676210, 5881936, 6249557, 7352420, 11763872, 12499114, 14704840, 23527744, 24998228, 29409680, 31247785, 49996456, 58819360, 62495570, 99992912, 117638720, 124991140, 199985824, 249982280, 399971648, 499964560, 999929120, 1999858240]

約数ペア:

[(1, 1999858240), (2, 999929120), (4, 499964560), (5, 399971648), (8, 249982280), (10, 199985824), (16, 124991140), (17, 117638720), (20, 99992912), (32, 62495570), (34, 58819360), (40, 49996456), (64, 31247785), (68, 29409680), (80, 24998228), (85, 23527744), (136, 14704840), (160, 12499114), (170, 11763872), (272, 7352420), (320, 6249557), (340, 5881936), (544, 3676210), (680, 2940968), (1088, 1838105), (1360, 1470484), (2720, 735242), (5440, 367621)]