28628190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{331}}^1$

素因数の和:406

約数の個数: 72

約数和(自身を含む): 77144184

約数和(自身を除く): 48515994

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 331, 465, 558, 662, 930, 961, 993, 1395, 1655, 1922, 1986, 2790, 2883, 2979, 3310, 4805, 4965, 5766, 5958, 8649, 9610, 9930, 10261, 14415, 14895, 17298, 20522, 28830, 29790, 30783, 43245, 51305, 61566, 86490, 92349, 102610, 153915, 184698, 307830, 318091, 461745, 636182, 923490, 954273, 1590455, 1908546, 2862819, 3180910, 4771365, 5725638, 9542730, 14314095, 28628190]

約数ペア:

[(1, 28628190), (2, 14314095), (3, 9542730), (5, 5725638), (6, 4771365), (9, 3180910), (10, 2862819), (15, 1908546), (18, 1590455), (30, 954273), (31, 923490), (45, 636182), (62, 461745), (90, 318091), (93, 307830), (155, 184698), (186, 153915), (279, 102610), (310, 92349), (331, 86490), (465, 61566), (558, 51305), (662, 43245), (930, 30783), (961, 29790), (993, 28830), (1395, 20522), (1655, 17298), (1922, 14895), (1986, 14415), (2790, 10261), (2883, 9930), (2979, 9610), (3310, 8649), (4805, 5958), (4965, 5766)]