212806020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{72383}}^1$

素因数の和:72409

約数の個数: 72

約数和(自身を含む): 693149184

約数和(自身を除く): 480343164

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, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 72383, 144766, 217149, 289532, 361915, 434298, 506681, 723830, 868596, 1013362, 1085745, 1447660, 1520043, 2026724, 2171490, 2533405, 3040086, 3546767, 4342980, 5066810, 6080172, 7093534, 7600215, 10133620, 10640301, 14187068, 15200430, 17733835, 21280602, 30400860, 35467670, 42561204, 53201505, 70935340, 106403010, 212806020]

約数ペア:

[(1, 212806020), (2, 106403010), (3, 70935340), (4, 53201505), (5, 42561204), (6, 35467670), (7, 30400860), (10, 21280602), (12, 17733835), (14, 15200430), (15, 14187068), (20, 10640301), (21, 10133620), (28, 7600215), (30, 7093534), (35, 6080172), (42, 5066810), (49, 4342980), (60, 3546767), (70, 3040086), (84, 2533405), (98, 2171490), (105, 2026724), (140, 1520043), (147, 1447660), (196, 1085745), (210, 1013362), (245, 868596), (294, 723830), (420, 506681), (490, 434298), (588, 361915), (735, 289532), (980, 217149), (1470, 144766), (2940, 72383)]