348945920

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4397}}^1$

素因数の和:4451

約数の個数: 80

約数和(自身を含む): 863837568

約数和(自身を除く): 514891648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1240, 1280, 1984, 2480, 2560, 3968, 4397, 4960, 7936, 8794, 9920, 15872, 17588, 19840, 21985, 35176, 39680, 43970, 70352, 79360, 87940, 136307, 140704, 175880, 272614, 281408, 351760, 545228, 562816, 681535, 703520, 1090456, 1125632, 1363070, 1407040, 2180912, 2251264, 2726140, 2814080, 4361824, 5452280, 5628160, 8723648, 10904560, 11256320, 17447296, 21809120, 34894592, 43618240, 69789184, 87236480, 174472960, 348945920]

約数ペア:

[(1, 348945920), (2, 174472960), (4, 87236480), (5, 69789184), (8, 43618240), (10, 34894592), (16, 21809120), (20, 17447296), (31, 11256320), (32, 10904560), (40, 8723648), (62, 5628160), (64, 5452280), (80, 4361824), (124, 2814080), (128, 2726140), (155, 2251264), (160, 2180912), (248, 1407040), (256, 1363070), (310, 1125632), (320, 1090456), (496, 703520), (512, 681535), (620, 562816), (640, 545228), (992, 351760), (1240, 281408), (1280, 272614), (1984, 175880), (2480, 140704), (2560, 136307), (3968, 87940), (4397, 79360), (4960, 70352), (7936, 43970), (8794, 39680), (9920, 35176), (15872, 21985), (17588, 19840)]