19423973380

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{1249}}^1\times {\mathrm{2267}}^1$

素因数の和:3546

約数の個数: 96

約数和(自身を含む): 47628000000

約数和(自身を除く): 28204026620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1249, 1372, 1715, 2267, 2498, 3430, 4534, 4996, 6245, 6860, 8743, 9068, 11335, 12490, 15869, 17486, 22670, 24980, 31738, 34972, 43715, 45340, 61201, 63476, 79345, 87430, 111083, 122402, 158690, 174860, 222166, 244804, 306005, 317380, 428407, 444332, 555415, 612010, 777581, 856814, 1110830, 1224020, 1555162, 1713628, 2142035, 2221660, 2831483, 3110324, 3887905, 4284070, 5662966, 7775810, 8568140, 11325932, 14157415, 15551620, 19820381, 28314830, 39640762, 56629660, 79281524, 99101905, 138742667, 198203810, 277485334, 396407620, 554970668, 693713335, 971198669, 1387426670, 1942397338, 2774853340, 3884794676, 4855993345, 9711986690, 19423973380]

約数ペア:

[(1, 19423973380), (2, 9711986690), (4, 4855993345), (5, 3884794676), (7, 2774853340), (10, 1942397338), (14, 1387426670), (20, 971198669), (28, 693713335), (35, 554970668), (49, 396407620), (70, 277485334), (98, 198203810), (140, 138742667), (196, 99101905), (245, 79281524), (343, 56629660), (490, 39640762), (686, 28314830), (980, 19820381), (1249, 15551620), (1372, 14157415), (1715, 11325932), (2267, 8568140), (2498, 7775810), (3430, 5662966), (4534, 4284070), (4996, 3887905), (6245, 3110324), (6860, 2831483), (8743, 2221660), (9068, 2142035), (11335, 1713628), (12490, 1555162), (15869, 1224020), (17486, 1110830), (22670, 856814), (24980, 777581), (31738, 612010), (34972, 555415), (43715, 444332), (45340, 428407), (61201, 317380), (63476, 306005), (79345, 244804), (87430, 222166), (111083, 174860), (122402, 158690)]