221346270

素因数分解:

$2^1\times 3^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{349}}^1$

素因数の和:406

約数の個数: 128

約数和(自身を含む): 619920000

約数和(自身を除く): 398573730

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 29, 30, 45, 54, 58, 81, 87, 90, 135, 145, 162, 174, 243, 261, 270, 290, 349, 405, 435, 486, 522, 698, 729, 783, 810, 870, 1047, 1215, 1305, 1458, 1566, 1745, 2094, 2187, 2349, 2430, 2610, 3141, 3490, 3645, 3915, 4374, 4698, 5235, 6282, 7047, 7290, 7830, 9423, 10121, 10470, 10935, 11745, 14094, 15705, 18846, 20242, 21141, 21870, 23490, 28269, 30363, 31410, 35235, 42282, 47115, 50605, 56538, 60726, 63423, 70470, 84807, 91089, 94230, 101210, 105705, 126846, 141345, 151815, 169614, 182178, 211410, 254421, 273267, 282690, 303630, 317115, 424035, 455445, 508842, 546534, 634230, 763263, 819801, 848070, 910890, 1272105, 1366335, 1526526, 1639602, 2459403, 2544210, 2732670, 3816315, 4099005, 4918806, 7378209, 7632630, 8198010, 12297015, 14756418, 22134627, 24594030, 36891045, 44269254, 73782090, 110673135, 221346270]

約数ペア:

[(1, 221346270), (2, 110673135), (3, 73782090), (5, 44269254), (6, 36891045), (9, 24594030), (10, 22134627), (15, 14756418), (18, 12297015), (27, 8198010), (29, 7632630), (30, 7378209), (45, 4918806), (54, 4099005), (58, 3816315), (81, 2732670), (87, 2544210), (90, 2459403), (135, 1639602), (145, 1526526), (162, 1366335), (174, 1272105), (243, 910890), (261, 848070), (270, 819801), (290, 763263), (349, 634230), (405, 546534), (435, 508842), (486, 455445), (522, 424035), (698, 317115), (729, 303630), (783, 282690), (810, 273267), (870, 254421), (1047, 211410), (1215, 182178), (1305, 169614), (1458, 151815), (1566, 141345), (1745, 126846), (2094, 105705), (2187, 101210), (2349, 94230), (2430, 91089), (2610, 84807), (3141, 70470), (3490, 63423), (3645, 60726), (3915, 56538), (4374, 50605), (4698, 47115), (5235, 42282), (6282, 35235), (7047, 31410), (7290, 30363), (7830, 28269), (9423, 23490), (10121, 21870), (10470, 21141), (10935, 20242), (11745, 18846), (14094, 15705)]