28986590

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^2$

素因数の和:189

約数の個数: 48

約数和(自身を含む): 57198960

約数和(自身を除く): 28212370

約数列:

[1, 2, 5, 10, 19, 38, 41, 61, 82, 95, 122, 190, 205, 305, 410, 610, 779, 1159, 1558, 2318, 2501, 3721, 3895, 5002, 5795, 7442, 7790, 11590, 12505, 18605, 25010, 37210, 47519, 70699, 95038, 141398, 152561, 237595, 305122, 353495, 475190, 706990, 762805, 1525610, 2898659, 5797318, 14493295, 28986590]

約数ペア:

[(1, 28986590), (2, 14493295), (5, 5797318), (10, 2898659), (19, 1525610), (38, 762805), (41, 706990), (61, 475190), (82, 353495), (95, 305122), (122, 237595), (190, 152561), (205, 141398), (305, 95038), (410, 70699), (610, 47519), (779, 37210), (1159, 25010), (1558, 18605), (2318, 12505), (2501, 11590), (3721, 7790), (3895, 7442), (5002, 5795)]