169625240

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1\times {\mathrm{379}}^1$

素因数の和:624

約数の個数: 64

約数和(自身を含む): 390700800

約数和(自身を除く): 221075560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 167, 268, 334, 335, 379, 536, 668, 670, 758, 835, 1336, 1340, 1516, 1670, 1895, 2680, 3032, 3340, 3790, 6680, 7580, 11189, 15160, 22378, 25393, 44756, 50786, 55945, 63293, 89512, 101572, 111890, 126586, 126965, 203144, 223780, 253172, 253930, 316465, 447560, 506344, 507860, 632930, 1015720, 1265860, 2531720, 4240631, 8481262, 16962524, 21203155, 33925048, 42406310, 84812620, 169625240]

約数ペア:

[(1, 169625240), (2, 84812620), (4, 42406310), (5, 33925048), (8, 21203155), (10, 16962524), (20, 8481262), (40, 4240631), (67, 2531720), (134, 1265860), (167, 1015720), (268, 632930), (334, 507860), (335, 506344), (379, 447560), (536, 316465), (668, 253930), (670, 253172), (758, 223780), (835, 203144), (1336, 126965), (1340, 126586), (1516, 111890), (1670, 101572), (1895, 89512), (2680, 63293), (3032, 55945), (3340, 50786), (3790, 44756), (6680, 25393), (7580, 22378), (11189, 15160)]