620144980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{48677}}^1$

素因数の和:48713

約数の個数: 72

約数和(自身を含む): 1631491848

約数和(自身を除く): 1011346868

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 6370, 12740, 48677, 97354, 194708, 243385, 340739, 486770, 632801, 681478, 973540, 1265602, 1362956, 1703695, 2385173, 2531204, 3164005, 3407390, 4429607, 4770346, 6328010, 6814780, 8859214, 9540692, 11925865, 12656020, 17718428, 22148035, 23851730, 31007249, 44296070, 47703460, 62014498, 88592140, 124028996, 155036245, 310072490, 620144980]

約数ペア:

[(1, 620144980), (2, 310072490), (4, 155036245), (5, 124028996), (7, 88592140), (10, 62014498), (13, 47703460), (14, 44296070), (20, 31007249), (26, 23851730), (28, 22148035), (35, 17718428), (49, 12656020), (52, 11925865), (65, 9540692), (70, 8859214), (91, 6814780), (98, 6328010), (130, 4770346), (140, 4429607), (182, 3407390), (196, 3164005), (245, 2531204), (260, 2385173), (364, 1703695), (455, 1362956), (490, 1265602), (637, 973540), (910, 681478), (980, 632801), (1274, 486770), (1820, 340739), (2548, 243385), (3185, 194708), (6370, 97354), (12740, 48677)]