280788270

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{70373}}^1$

素因数の和:70409

約数の個数: 64

約数和(自身を含む): 810708480

約数和(自身を除く): 529920210

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 266, 285, 399, 570, 665, 798, 1330, 1995, 3990, 70373, 140746, 211119, 351865, 422238, 492611, 703730, 985222, 1055595, 1337087, 1477833, 2111190, 2463055, 2674174, 2955666, 4011261, 4926110, 6685435, 7389165, 8022522, 9359609, 13370870, 14778330, 18719218, 20056305, 28078827, 40112610, 46798045, 56157654, 93596090, 140394135, 280788270]

約数ペア:

[(1, 280788270), (2, 140394135), (3, 93596090), (5, 56157654), (6, 46798045), (7, 40112610), (10, 28078827), (14, 20056305), (15, 18719218), (19, 14778330), (21, 13370870), (30, 9359609), (35, 8022522), (38, 7389165), (42, 6685435), (57, 4926110), (70, 4011261), (95, 2955666), (105, 2674174), (114, 2463055), (133, 2111190), (190, 1477833), (210, 1337087), (266, 1055595), (285, 985222), (399, 703730), (570, 492611), (665, 422238), (798, 351865), (1330, 211119), (1995, 140746), (3990, 70373)]