203969080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{4889}}^1$

素因数の和:5056

約数の個数: 64

約数和(自身を含む): 528120000

約数和(自身を除く): 324150920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 149, 280, 298, 596, 745, 1043, 1192, 1490, 2086, 2980, 4172, 4889, 5215, 5960, 8344, 9778, 10430, 19556, 20860, 24445, 34223, 39112, 41720, 48890, 68446, 97780, 136892, 171115, 195560, 273784, 342230, 684460, 728461, 1368920, 1456922, 2913844, 3642305, 5099227, 5827688, 7284610, 10198454, 14569220, 20396908, 25496135, 29138440, 40793816, 50992270, 101984540, 203969080]

約数ペア:

[(1, 203969080), (2, 101984540), (4, 50992270), (5, 40793816), (7, 29138440), (8, 25496135), (10, 20396908), (14, 14569220), (20, 10198454), (28, 7284610), (35, 5827688), (40, 5099227), (56, 3642305), (70, 2913844), (140, 1456922), (149, 1368920), (280, 728461), (298, 684460), (596, 342230), (745, 273784), (1043, 195560), (1192, 171115), (1490, 136892), (2086, 97780), (2980, 68446), (4172, 48890), (4889, 41720), (5215, 39112), (5960, 34223), (8344, 24445), (9778, 20860), (10430, 19556)]