391608430

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3911}}^1$

素因数の和:3985

約数の個数: 64

約数和(自身を含む): 811192320

約数和(自身を除く): 419583890

約数列:

[1, 2, 5, 10, 17, 19, 31, 34, 38, 62, 85, 95, 155, 170, 190, 310, 323, 527, 589, 646, 1054, 1178, 1615, 2635, 2945, 3230, 3911, 5270, 5890, 7822, 10013, 19555, 20026, 39110, 50065, 66487, 74309, 100130, 121241, 132974, 148618, 242482, 332435, 371545, 606205, 664870, 743090, 1212410, 1263253, 2061097, 2303579, 2526506, 4122194, 4607158, 6316265, 10305485, 11517895, 12632530, 20610970, 23035790, 39160843, 78321686, 195804215, 391608430]

約数ペア:

[(1, 391608430), (2, 195804215), (5, 78321686), (10, 39160843), (17, 23035790), (19, 20610970), (31, 12632530), (34, 11517895), (38, 10305485), (62, 6316265), (85, 4607158), (95, 4122194), (155, 2526506), (170, 2303579), (190, 2061097), (310, 1263253), (323, 1212410), (527, 743090), (589, 664870), (646, 606205), (1054, 371545), (1178, 332435), (1615, 242482), (2635, 148618), (2945, 132974), (3230, 121241), (3911, 100130), (5270, 74309), (5890, 66487), (7822, 50065), (10013, 39110), (19555, 20026)]