161584850

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{101}}^1\times {\mathrm{653}}^1$

素因数の和:780

約数の個数: 72

約数和(自身を含む): 353619108

約数和(自身を除く): 192034258

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 101, 175, 202, 245, 350, 490, 505, 653, 707, 1010, 1225, 1306, 1414, 2450, 2525, 3265, 3535, 4571, 4949, 5050, 6530, 7070, 9142, 9898, 16325, 17675, 22855, 24745, 31997, 32650, 35350, 45710, 49490, 63994, 65953, 114275, 123725, 131906, 159985, 228550, 247450, 319970, 329765, 461671, 659530, 799925, 923342, 1599850, 1648825, 2308355, 3231697, 3297650, 4616710, 6463394, 11541775, 16158485, 23083550, 32316970, 80792425, 161584850]

約数ペア:

[(1, 161584850), (2, 80792425), (5, 32316970), (7, 23083550), (10, 16158485), (14, 11541775), (25, 6463394), (35, 4616710), (49, 3297650), (50, 3231697), (70, 2308355), (98, 1648825), (101, 1599850), (175, 923342), (202, 799925), (245, 659530), (350, 461671), (490, 329765), (505, 319970), (653, 247450), (707, 228550), (1010, 159985), (1225, 131906), (1306, 123725), (1414, 114275), (2450, 65953), (2525, 63994), (3265, 49490), (3535, 45710), (4571, 35350), (4949, 32650), (5050, 31997), (6530, 24745), (7070, 22855), (9142, 17675), (9898, 16325)]