1900215040

素因数分解:

$2^8\times 5^1\times {\mathrm{379}}^1\times {\mathrm{3917}}^1$

素因数の和:4317

約数の個数: 72

約数和(自身を含む): 4564783440

約数和(自身を除く): 2664568400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 379, 640, 758, 1280, 1516, 1895, 3032, 3790, 3917, 6064, 7580, 7834, 12128, 15160, 15668, 19585, 24256, 30320, 31336, 39170, 48512, 60640, 62672, 78340, 97024, 121280, 125344, 156680, 242560, 250688, 313360, 485120, 501376, 626720, 1002752, 1253440, 1484543, 2506880, 2969086, 5013760, 5938172, 7422715, 11876344, 14845430, 23752688, 29690860, 47505376, 59381720, 95010752, 118763440, 190021504, 237526880, 380043008, 475053760, 950107520, 1900215040]

約数ペア:

[(1, 1900215040), (2, 950107520), (4, 475053760), (5, 380043008), (8, 237526880), (10, 190021504), (16, 118763440), (20, 95010752), (32, 59381720), (40, 47505376), (64, 29690860), (80, 23752688), (128, 14845430), (160, 11876344), (256, 7422715), (320, 5938172), (379, 5013760), (640, 2969086), (758, 2506880), (1280, 1484543), (1516, 1253440), (1895, 1002752), (3032, 626720), (3790, 501376), (3917, 485120), (6064, 313360), (7580, 250688), (7834, 242560), (12128, 156680), (15160, 125344), (15668, 121280), (19585, 97024), (24256, 78340), (30320, 62672), (31336, 60640), (39170, 48512)]