407030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:152

約数の個数: 32

約数和(自身を含む): 822528

約数和(自身を除く): 415498

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 101, 130, 155, 202, 310, 403, 505, 806, 1010, 1313, 2015, 2626, 3131, 4030, 6262, 6565, 13130, 15655, 31310, 40703, 81406, 203515, 407030]

約数ペア:

[(1, 407030), (2, 203515), (5, 81406), (10, 40703), (13, 31310), (26, 15655), (31, 13130), (62, 6565), (65, 6262), (101, 4030), (130, 3131), (155, 2626), (202, 2015), (310, 1313), (403, 1010), (505, 806)]