217670910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1\times {\mathrm{571}}^1$

素因数の和:809

約数の個数: 64

約数和(自身を含む): 532756224

約数和(自身を除く): 315085314

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 97, 131, 194, 262, 291, 393, 485, 571, 582, 655, 786, 970, 1142, 1310, 1455, 1713, 1965, 2855, 2910, 3426, 3930, 5710, 8565, 12707, 17130, 25414, 38121, 55387, 63535, 74801, 76242, 110774, 127070, 149602, 166161, 190605, 224403, 276935, 332322, 374005, 381210, 448806, 553870, 748010, 830805, 1122015, 1661610, 2244030, 7255697, 14511394, 21767091, 36278485, 43534182, 72556970, 108835455, 217670910]

約数ペア:

[(1, 217670910), (2, 108835455), (3, 72556970), (5, 43534182), (6, 36278485), (10, 21767091), (15, 14511394), (30, 7255697), (97, 2244030), (131, 1661610), (194, 1122015), (262, 830805), (291, 748010), (393, 553870), (485, 448806), (571, 381210), (582, 374005), (655, 332322), (786, 276935), (970, 224403), (1142, 190605), (1310, 166161), (1455, 149602), (1713, 127070), (1965, 110774), (2855, 76242), (2910, 74801), (3426, 63535), (3930, 55387), (5710, 38121), (8565, 25414), (12707, 17130)]