2014628140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{421}}^1$

素因数の和:720

約数の個数: 144

約数和(自身を含む): 5212982880

約数和(自身を除く): 3198354740

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 257, 266, 380, 421, 490, 514, 532, 665, 842, 931, 980, 1028, 1285, 1330, 1684, 1799, 1862, 2105, 2570, 2660, 2947, 3598, 3724, 4210, 4655, 4883, 5140, 5894, 7196, 7999, 8420, 8995, 9310, 9766, 11788, 12593, 14735, 15998, 17990, 18620, 19532, 20629, 24415, 25186, 29470, 31996, 34181, 35980, 39995, 41258, 48830, 50372, 55993, 58940, 62965, 68362, 79990, 82516, 97660, 103145, 108197, 111986, 125930, 136724, 159980, 170905, 206290, 216394, 223972, 239267, 251860, 279965, 341810, 391951, 412580, 432788, 478534, 540985, 559930, 683620, 757379, 783902, 957068, 1081970, 1119860, 1196335, 1514758, 1567804, 1959755, 2055743, 2163940, 2392670, 3029516, 3786895, 3919510, 4111486, 4785340, 5301653, 7573790, 7839020, 8222972, 10278715, 10603306, 14390201, 15147580, 20557430, 21206612, 26508265, 28780402, 41114860, 53016530, 57560804, 71951005, 100731407, 106033060, 143902010, 201462814, 287804020, 402925628, 503657035, 1007314070, 2014628140]

約数ペア:

[(1, 2014628140), (2, 1007314070), (4, 503657035), (5, 402925628), (7, 287804020), (10, 201462814), (14, 143902010), (19, 106033060), (20, 100731407), (28, 71951005), (35, 57560804), (38, 53016530), (49, 41114860), (70, 28780402), (76, 26508265), (95, 21206612), (98, 20557430), (133, 15147580), (140, 14390201), (190, 10603306), (196, 10278715), (245, 8222972), (257, 7839020), (266, 7573790), (380, 5301653), (421, 4785340), (490, 4111486), (514, 3919510), (532, 3786895), (665, 3029516), (842, 2392670), (931, 2163940), (980, 2055743), (1028, 1959755), (1285, 1567804), (1330, 1514758), (1684, 1196335), (1799, 1119860), (1862, 1081970), (2105, 957068), (2570, 783902), (2660, 757379), (2947, 683620), (3598, 559930), (3724, 540985), (4210, 478534), (4655, 432788), (4883, 412580), (5140, 391951), (5894, 341810), (7196, 279965), (7999, 251860), (8420, 239267), (8995, 223972), (9310, 216394), (9766, 206290), (11788, 170905), (12593, 159980), (14735, 136724), (15998, 125930), (17990, 111986), (18620, 108197), (19532, 103145), (20629, 97660), (24415, 82516), (25186, 79990), (29470, 68362), (31996, 62965), (34181, 58940), (35980, 55993), (39995, 50372), (41258, 48830)]