401858480

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{1069}}^1$

素因数の和:1246

約数の個数: 80

約数和(自身を含む): 968033280

約数和(自身を除く): 566174800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 127, 148, 185, 254, 296, 370, 508, 592, 635, 740, 1016, 1069, 1270, 1480, 2032, 2138, 2540, 2960, 4276, 4699, 5080, 5345, 8552, 9398, 10160, 10690, 17104, 18796, 21380, 23495, 37592, 39553, 42760, 46990, 75184, 79106, 85520, 93980, 135763, 158212, 187960, 197765, 271526, 316424, 375920, 395530, 543052, 632848, 678815, 791060, 1086104, 1357630, 1582120, 2172208, 2715260, 3164240, 5023231, 5430520, 10046462, 10861040, 20092924, 25116155, 40185848, 50232310, 80371696, 100464620, 200929240, 401858480]

約数ペア:

[(1, 401858480), (2, 200929240), (4, 100464620), (5, 80371696), (8, 50232310), (10, 40185848), (16, 25116155), (20, 20092924), (37, 10861040), (40, 10046462), (74, 5430520), (80, 5023231), (127, 3164240), (148, 2715260), (185, 2172208), (254, 1582120), (296, 1357630), (370, 1086104), (508, 791060), (592, 678815), (635, 632848), (740, 543052), (1016, 395530), (1069, 375920), (1270, 316424), (1480, 271526), (2032, 197765), (2138, 187960), (2540, 158212), (2960, 135763), (4276, 93980), (4699, 85520), (5080, 79106), (5345, 75184), (8552, 46990), (9398, 42760), (10160, 39553), (10690, 37592), (17104, 23495), (18796, 21380)]