938817040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{21221}}^1$

素因数の和:21320

約数の個数: 80

約数和(自身を含む): 2526266880

約数和(自身を除く): 1587449840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 79, 80, 112, 140, 158, 280, 316, 395, 553, 560, 632, 790, 1106, 1264, 1580, 2212, 2765, 3160, 4424, 5530, 6320, 8848, 11060, 21221, 22120, 42442, 44240, 84884, 106105, 148547, 169768, 212210, 297094, 339536, 424420, 594188, 742735, 848840, 1188376, 1485470, 1676459, 1697680, 2376752, 2970940, 3352918, 5941880, 6705836, 8382295, 11735213, 11883760, 13411672, 16764590, 23470426, 26823344, 33529180, 46940852, 58676065, 67058360, 93881704, 117352130, 134116720, 187763408, 234704260, 469408520, 938817040]

約数ペア:

[(1, 938817040), (2, 469408520), (4, 234704260), (5, 187763408), (7, 134116720), (8, 117352130), (10, 93881704), (14, 67058360), (16, 58676065), (20, 46940852), (28, 33529180), (35, 26823344), (40, 23470426), (56, 16764590), (70, 13411672), (79, 11883760), (80, 11735213), (112, 8382295), (140, 6705836), (158, 5941880), (280, 3352918), (316, 2970940), (395, 2376752), (553, 1697680), (560, 1676459), (632, 1485470), (790, 1188376), (1106, 848840), (1264, 742735), (1580, 594188), (2212, 424420), (2765, 339536), (3160, 297094), (4424, 212210), (5530, 169768), (6320, 148547), (8848, 106105), (11060, 84884), (21221, 44240), (22120, 42442)]