172910220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{571}}^1$

素因数の和:700

約数の個数: 144

約数和(自身を含む): 569657088

約数和(自身を除く): 396746868

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 103, 105, 140, 147, 196, 206, 210, 245, 294, 309, 412, 420, 490, 515, 571, 588, 618, 721, 735, 980, 1030, 1142, 1236, 1442, 1470, 1545, 1713, 2060, 2163, 2284, 2855, 2884, 2940, 3090, 3426, 3605, 3997, 4326, 5047, 5710, 6180, 6852, 7210, 7994, 8565, 8652, 10094, 10815, 11420, 11991, 14420, 15141, 15988, 17130, 19985, 20188, 21630, 23982, 25235, 27979, 30282, 34260, 39970, 43260, 47964, 50470, 55958, 58813, 59955, 60564, 75705, 79940, 83937, 100940, 111916, 117626, 119910, 139895, 151410, 167874, 176439, 235252, 239820, 279790, 294065, 302820, 335748, 352878, 411691, 419685, 559580, 588130, 705756, 823382, 839370, 882195, 1176260, 1235073, 1646764, 1678740, 1764390, 2058455, 2470146, 2881837, 3528780, 4116910, 4940292, 5763674, 6175365, 8233820, 8645511, 11527348, 12350730, 14409185, 17291022, 24701460, 28818370, 34582044, 43227555, 57636740, 86455110, 172910220]

約数ペア:

[(1, 172910220), (2, 86455110), (3, 57636740), (4, 43227555), (5, 34582044), (6, 28818370), (7, 24701460), (10, 17291022), (12, 14409185), (14, 12350730), (15, 11527348), (20, 8645511), (21, 8233820), (28, 6175365), (30, 5763674), (35, 4940292), (42, 4116910), (49, 3528780), (60, 2881837), (70, 2470146), (84, 2058455), (98, 1764390), (103, 1678740), (105, 1646764), (140, 1235073), (147, 1176260), (196, 882195), (206, 839370), (210, 823382), (245, 705756), (294, 588130), (309, 559580), (412, 419685), (420, 411691), (490, 352878), (515, 335748), (571, 302820), (588, 294065), (618, 279790), (721, 239820), (735, 235252), (980, 176439), (1030, 167874), (1142, 151410), (1236, 139895), (1442, 119910), (1470, 117626), (1545, 111916), (1713, 100940), (2060, 83937), (2163, 79940), (2284, 75705), (2855, 60564), (2884, 59955), (2940, 58813), (3090, 55958), (3426, 50470), (3605, 47964), (3997, 43260), (4326, 39970), (5047, 34260), (5710, 30282), (6180, 27979), (6852, 25235), (7210, 23982), (7994, 21630), (8565, 20188), (8652, 19985), (10094, 17130), (10815, 15988), (11420, 15141), (11991, 14420)]