4443880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{269}}^1$

素因数の和:346

約数の個数: 64

約数和(自身を含む): 11664000

約数和(自身を除く): 7220120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 59, 70, 118, 140, 236, 269, 280, 295, 413, 472, 538, 590, 826, 1076, 1180, 1345, 1652, 1883, 2065, 2152, 2360, 2690, 3304, 3766, 4130, 5380, 7532, 8260, 9415, 10760, 15064, 15871, 16520, 18830, 31742, 37660, 63484, 75320, 79355, 111097, 126968, 158710, 222194, 317420, 444388, 555485, 634840, 888776, 1110970, 2221940, 4443880]

約数ペア:

[(1, 4443880), (2, 2221940), (4, 1110970), (5, 888776), (7, 634840), (8, 555485), (10, 444388), (14, 317420), (20, 222194), (28, 158710), (35, 126968), (40, 111097), (56, 79355), (59, 75320), (70, 63484), (118, 37660), (140, 31742), (236, 18830), (269, 16520), (280, 15871), (295, 15064), (413, 10760), (472, 9415), (538, 8260), (590, 7532), (826, 5380), (1076, 4130), (1180, 3766), (1345, 3304), (1652, 2690), (1883, 2360), (2065, 2152)]