220198020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{1949}}^1$

素因数の和:2237

約数の個数: 96

約数和(自身を含む): 707616000

約数和(自身を除く): 487417980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 269, 420, 538, 807, 1076, 1345, 1614, 1883, 1949, 2690, 3228, 3766, 3898, 4035, 5380, 5649, 5847, 7532, 7796, 8070, 9415, 9745, 11298, 11694, 13643, 16140, 18830, 19490, 22596, 23388, 27286, 28245, 29235, 37660, 38980, 40929, 54572, 56490, 58470, 68215, 81858, 112980, 116940, 136430, 163716, 204645, 272860, 409290, 524281, 818580, 1048562, 1572843, 2097124, 2621405, 3145686, 3669967, 5242810, 6291372, 7339934, 7864215, 10485620, 11009901, 14679868, 15728430, 18349835, 22019802, 31456860, 36699670, 44039604, 55049505, 73399340, 110099010, 220198020]

約数ペア:

[(1, 220198020), (2, 110099010), (3, 73399340), (4, 55049505), (5, 44039604), (6, 36699670), (7, 31456860), (10, 22019802), (12, 18349835), (14, 15728430), (15, 14679868), (20, 11009901), (21, 10485620), (28, 7864215), (30, 7339934), (35, 6291372), (42, 5242810), (60, 3669967), (70, 3145686), (84, 2621405), (105, 2097124), (140, 1572843), (210, 1048562), (269, 818580), (420, 524281), (538, 409290), (807, 272860), (1076, 204645), (1345, 163716), (1614, 136430), (1883, 116940), (1949, 112980), (2690, 81858), (3228, 68215), (3766, 58470), (3898, 56490), (4035, 54572), (5380, 40929), (5649, 38980), (5847, 37660), (7532, 29235), (7796, 28245), (8070, 27286), (9415, 23388), (9745, 22596), (11298, 19490), (11694, 18830), (13643, 16140)]