217004340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{2381}}^1$

素因数の和:2438

約数の個数: 144

約数和(自身を含む): 729921024

約数和(自身を除く): 512916684

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 49, 60, 62, 70, 84, 93, 98, 105, 124, 140, 147, 155, 186, 196, 210, 217, 245, 294, 310, 372, 420, 434, 465, 490, 588, 620, 651, 735, 868, 930, 980, 1085, 1302, 1470, 1519, 1860, 2170, 2381, 2604, 2940, 3038, 3255, 4340, 4557, 4762, 6076, 6510, 7143, 7595, 9114, 9524, 11905, 13020, 14286, 15190, 16667, 18228, 22785, 23810, 28572, 30380, 33334, 35715, 45570, 47620, 50001, 66668, 71430, 73811, 83335, 91140, 100002, 116669, 142860, 147622, 166670, 200004, 221433, 233338, 250005, 295244, 333340, 350007, 369055, 442866, 466676, 500010, 516677, 583345, 700014, 738110, 885732, 1000020, 1033354, 1107165, 1166690, 1400028, 1476220, 1550031, 1750035, 2066708, 2214330, 2333380, 2583385, 3100062, 3500070, 3616739, 4428660, 5166770, 6200124, 7000140, 7233478, 7750155, 10333540, 10850217, 14466956, 15500310, 18083695, 21700434, 31000620, 36167390, 43400868, 54251085, 72334780, 108502170, 217004340]

約数ペア:

[(1, 217004340), (2, 108502170), (3, 72334780), (4, 54251085), (5, 43400868), (6, 36167390), (7, 31000620), (10, 21700434), (12, 18083695), (14, 15500310), (15, 14466956), (20, 10850217), (21, 10333540), (28, 7750155), (30, 7233478), (31, 7000140), (35, 6200124), (42, 5166770), (49, 4428660), (60, 3616739), (62, 3500070), (70, 3100062), (84, 2583385), (93, 2333380), (98, 2214330), (105, 2066708), (124, 1750035), (140, 1550031), (147, 1476220), (155, 1400028), (186, 1166690), (196, 1107165), (210, 1033354), (217, 1000020), (245, 885732), (294, 738110), (310, 700014), (372, 583345), (420, 516677), (434, 500010), (465, 466676), (490, 442866), (588, 369055), (620, 350007), (651, 333340), (735, 295244), (868, 250005), (930, 233338), (980, 221433), (1085, 200004), (1302, 166670), (1470, 147622), (1519, 142860), (1860, 116669), (2170, 100002), (2381, 91140), (2604, 83335), (2940, 73811), (3038, 71430), (3255, 66668), (4340, 50001), (4557, 47620), (4762, 45570), (6076, 35715), (6510, 33334), (7143, 30380), (7595, 28572), (9114, 23810), (9524, 22785), (11905, 18228), (13020, 16667), (14286, 15190)]