49786980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^2\times {\mathrm{223}}^1$

素因数の和:357

約数の個数: 72

約数和(自身を含む): 142361856

約数和(自身を除く): 92574876

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 223, 244, 305, 366, 446, 610, 669, 732, 892, 915, 1115, 1220, 1338, 1830, 2230, 2676, 3345, 3660, 3721, 4460, 6690, 7442, 11163, 13380, 13603, 14884, 18605, 22326, 27206, 37210, 40809, 44652, 54412, 55815, 68015, 74420, 81618, 111630, 136030, 163236, 204045, 223260, 272060, 408090, 816180, 829783, 1659566, 2489349, 3319132, 4148915, 4978698, 8297830, 9957396, 12446745, 16595660, 24893490, 49786980]

約数ペア:

[(1, 49786980), (2, 24893490), (3, 16595660), (4, 12446745), (5, 9957396), (6, 8297830), (10, 4978698), (12, 4148915), (15, 3319132), (20, 2489349), (30, 1659566), (60, 829783), (61, 816180), (122, 408090), (183, 272060), (223, 223260), (244, 204045), (305, 163236), (366, 136030), (446, 111630), (610, 81618), (669, 74420), (732, 68015), (892, 55815), (915, 54412), (1115, 44652), (1220, 40809), (1338, 37210), (1830, 27206), (2230, 22326), (2676, 18605), (3345, 14884), (3660, 13603), (3721, 13380), (4460, 11163), (6690, 7442)]