157242680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{3769}}^1$

素因数の和:3936

約数の個数: 64

約数和(自身を含む): 407160000

約数和(自身を除く): 249917320

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, 3769, 4172, 5215, 5960, 7538, 8344, 10430, 15076, 18845, 20860, 26383, 30152, 37690, 41720, 52766, 75380, 105532, 131915, 150760, 211064, 263830, 527660, 561581, 1055320, 1123162, 2246324, 2807905, 3931067, 4492648, 5615810, 7862134, 11231620, 15724268, 19655335, 22463240, 31448536, 39310670, 78621340, 157242680]

約数ペア:

[(1, 157242680), (2, 78621340), (4, 39310670), (5, 31448536), (7, 22463240), (8, 19655335), (10, 15724268), (14, 11231620), (20, 7862134), (28, 5615810), (35, 4492648), (40, 3931067), (56, 2807905), (70, 2246324), (140, 1123162), (149, 1055320), (280, 561581), (298, 527660), (596, 263830), (745, 211064), (1043, 150760), (1192, 131915), (1490, 105532), (2086, 75380), (2980, 52766), (3769, 41720), (4172, 37690), (5215, 30152), (5960, 26383), (7538, 20860), (8344, 18845), (10430, 15076)]