247436420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:202

約数の個数: 192

約数和(自身を含む): 687439872

約数和(自身を除く): 440003452

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 55, 62, 70, 71, 73, 77, 110, 124, 140, 142, 146, 154, 155, 217, 220, 284, 292, 308, 310, 341, 355, 365, 385, 434, 497, 511, 620, 682, 710, 730, 770, 781, 803, 868, 994, 1022, 1085, 1364, 1420, 1460, 1540, 1562, 1606, 1705, 1988, 2044, 2170, 2201, 2263, 2387, 2485, 2555, 3124, 3212, 3410, 3905, 4015, 4340, 4402, 4526, 4774, 4970, 5110, 5183, 5467, 5621, 6820, 7810, 8030, 8804, 9052, 9548, 9940, 10220, 10366, 10934, 11005, 11242, 11315, 11935, 15407, 15620, 15841, 16060, 20732, 21868, 22010, 22484, 22630, 23870, 24211, 24893, 25915, 27335, 28105, 30814, 31682, 36281, 44020, 45260, 47740, 48422, 49786, 51830, 54670, 56210, 57013, 61628, 63364, 72562, 77035, 79205, 96844, 99572, 103660, 109340, 112420, 114026, 121055, 124465, 145124, 154070, 158410, 160673, 169477, 174251, 181405, 228052, 242110, 248930, 285065, 308140, 316820, 321346, 338954, 348502, 362810, 399091, 484220, 497860, 570130, 642692, 677908, 697004, 725620, 798182, 803365, 847385, 871255, 1124711, 1140260, 1596364, 1606730, 1694770, 1742510, 1767403, 1995455, 2249422, 3213460, 3389540, 3485020, 3534806, 3990910, 4498844, 5623555, 7069612, 7981820, 8837015, 11247110, 12371821, 17674030, 22494220, 24743642, 35348060, 49487284, 61859105, 123718210, 247436420]

約数ペア:

[(1, 247436420), (2, 123718210), (4, 61859105), (5, 49487284), (7, 35348060), (10, 24743642), (11, 22494220), (14, 17674030), (20, 12371821), (22, 11247110), (28, 8837015), (31, 7981820), (35, 7069612), (44, 5623555), (55, 4498844), (62, 3990910), (70, 3534806), (71, 3485020), (73, 3389540), (77, 3213460), (110, 2249422), (124, 1995455), (140, 1767403), (142, 1742510), (146, 1694770), (154, 1606730), (155, 1596364), (217, 1140260), (220, 1124711), (284, 871255), (292, 847385), (308, 803365), (310, 798182), (341, 725620), (355, 697004), (365, 677908), (385, 642692), (434, 570130), (497, 497860), (511, 484220), (620, 399091), (682, 362810), (710, 348502), (730, 338954), (770, 321346), (781, 316820), (803, 308140), (868, 285065), (994, 248930), (1022, 242110), (1085, 228052), (1364, 181405), (1420, 174251), (1460, 169477), (1540, 160673), (1562, 158410), (1606, 154070), (1705, 145124), (1988, 124465), (2044, 121055), (2170, 114026), (2201, 112420), (2263, 109340), (2387, 103660), (2485, 99572), (2555, 96844), (3124, 79205), (3212, 77035), (3410, 72562), (3905, 63364), (4015, 61628), (4340, 57013), (4402, 56210), (4526, 54670), (4774, 51830), (4970, 49786), (5110, 48422), (5183, 47740), (5467, 45260), (5621, 44020), (6820, 36281), (7810, 31682), (8030, 30814), (8804, 28105), (9052, 27335), (9548, 25915), (9940, 24893), (10220, 24211), (10366, 23870), (10934, 22630), (11005, 22484), (11242, 22010), (11315, 21868), (11935, 20732), (15407, 16060), (15620, 15841)]