212919210

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{48281}}^1$

素因数の和:48308

約数の個数: 72

約数和(自身を含む): 643985316

約数和(自身を除く): 431066106

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 630, 735, 882, 1470, 2205, 4410, 48281, 96562, 144843, 241405, 289686, 337967, 434529, 482810, 675934, 724215, 869058, 1013901, 1448430, 1689835, 2027802, 2172645, 2365769, 3041703, 3379670, 4345290, 4731538, 5069505, 6083406, 7097307, 10139010, 11828845, 14194614, 15208515, 21291921, 23657690, 30417030, 35486535, 42583842, 70973070, 106459605, 212919210]

約数ペア:

[(1, 212919210), (2, 106459605), (3, 70973070), (5, 42583842), (6, 35486535), (7, 30417030), (9, 23657690), (10, 21291921), (14, 15208515), (15, 14194614), (18, 11828845), (21, 10139010), (30, 7097307), (35, 6083406), (42, 5069505), (45, 4731538), (49, 4345290), (63, 3379670), (70, 3041703), (90, 2365769), (98, 2172645), (105, 2027802), (126, 1689835), (147, 1448430), (210, 1013901), (245, 869058), (294, 724215), (315, 675934), (441, 482810), (490, 434529), (630, 337967), (735, 289686), (882, 241405), (1470, 144843), (2205, 96562), (4410, 48281)]