151991450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:472

約数の個数: 96

約数和(自身を含む): 331645440

約数和(自身を除く): 179653990

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 31, 38, 50, 62, 65, 95, 130, 155, 190, 247, 310, 325, 397, 403, 475, 494, 589, 650, 775, 794, 806, 950, 1178, 1235, 1550, 1985, 2015, 2470, 2945, 3970, 4030, 5161, 5890, 6175, 7543, 7657, 9925, 10075, 10322, 12307, 12350, 14725, 15086, 15314, 19850, 20150, 24614, 25805, 29450, 37715, 38285, 51610, 61535, 75430, 76570, 98059, 123070, 129025, 159991, 188575, 191425, 196118, 233833, 258050, 307675, 319982, 377150, 382850, 467666, 490295, 615350, 799955, 980590, 1169165, 1599910, 2338330, 2451475, 3039829, 3999775, 4902950, 5845825, 6079658, 7999550, 11691650, 15199145, 30398290, 75995725, 151991450]

約数ペア:

[(1, 151991450), (2, 75995725), (5, 30398290), (10, 15199145), (13, 11691650), (19, 7999550), (25, 6079658), (26, 5845825), (31, 4902950), (38, 3999775), (50, 3039829), (62, 2451475), (65, 2338330), (95, 1599910), (130, 1169165), (155, 980590), (190, 799955), (247, 615350), (310, 490295), (325, 467666), (397, 382850), (403, 377150), (475, 319982), (494, 307675), (589, 258050), (650, 233833), (775, 196118), (794, 191425), (806, 188575), (950, 159991), (1178, 129025), (1235, 123070), (1550, 98059), (1985, 76570), (2015, 75430), (2470, 61535), (2945, 51610), (3970, 38285), (4030, 37715), (5161, 29450), (5890, 25805), (6175, 24614), (7543, 20150), (7657, 19850), (9925, 15314), (10075, 15086), (10322, 14725), (12307, 12350)]