209580350

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{131}}^1\times {\mathrm{653}}^1$

素因数の和:810

約数の個数: 72

約数和(自身を含む): 457624728

約数和(自身を除く): 248044378

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 131, 175, 245, 262, 350, 490, 653, 655, 917, 1225, 1306, 1310, 1834, 2450, 3265, 3275, 4571, 4585, 6419, 6530, 6550, 9142, 9170, 12838, 16325, 22855, 22925, 31997, 32095, 32650, 45710, 45850, 63994, 64190, 85543, 114275, 159985, 160475, 171086, 228550, 319970, 320950, 427715, 598801, 799925, 855430, 1197602, 1599850, 2138575, 2994005, 4191607, 4277150, 5988010, 8383214, 14970025, 20958035, 29940050, 41916070, 104790175, 209580350]

約数ペア:

[(1, 209580350), (2, 104790175), (5, 41916070), (7, 29940050), (10, 20958035), (14, 14970025), (25, 8383214), (35, 5988010), (49, 4277150), (50, 4191607), (70, 2994005), (98, 2138575), (131, 1599850), (175, 1197602), (245, 855430), (262, 799925), (350, 598801), (490, 427715), (653, 320950), (655, 319970), (917, 228550), (1225, 171086), (1306, 160475), (1310, 159985), (1834, 114275), (2450, 85543), (3265, 64190), (3275, 63994), (4571, 45850), (4585, 45710), (6419, 32650), (6530, 32095), (6550, 31997), (9142, 22925), (9170, 22855), (12838, 16325)]