7221140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{613}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 16504320

約数和(自身を除く): 9283180

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 613, 620, 1178, 1226, 2356, 2452, 2945, 3065, 5890, 6130, 11647, 11780, 12260, 19003, 23294, 38006, 46588, 58235, 76012, 95015, 116470, 190030, 232940, 361057, 380060, 722114, 1444228, 1805285, 3610570, 7221140]

約数ペア:

[(1, 7221140), (2, 3610570), (4, 1805285), (5, 1444228), (10, 722114), (19, 380060), (20, 361057), (31, 232940), (38, 190030), (62, 116470), (76, 95015), (95, 76012), (124, 58235), (155, 46588), (190, 38006), (310, 23294), (380, 19003), (589, 12260), (613, 11780), (620, 11647), (1178, 6130), (1226, 5890), (2356, 3065), (2452, 2945)]