217461900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{349}}^1$

素因数の和:464

約数の個数: 144

約数和(自身を含む): 661068800

約数和(自身を除く): 443606900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 31, 50, 60, 62, 67, 75, 93, 100, 124, 134, 150, 155, 186, 201, 268, 300, 310, 335, 349, 372, 402, 465, 620, 670, 698, 775, 804, 930, 1005, 1047, 1340, 1396, 1550, 1675, 1745, 1860, 2010, 2077, 2094, 2325, 3100, 3350, 3490, 4020, 4154, 4188, 4650, 5025, 5235, 6231, 6700, 6980, 8308, 8725, 9300, 10050, 10385, 10470, 10819, 12462, 17450, 20100, 20770, 20940, 21638, 23383, 24924, 26175, 31155, 32457, 34900, 41540, 43276, 46766, 51925, 52350, 54095, 62310, 64914, 70149, 93532, 103850, 104700, 108190, 116915, 124620, 129828, 140298, 155775, 162285, 207700, 216380, 233830, 270475, 280596, 311550, 324570, 350745, 467660, 540950, 584575, 623100, 649140, 701490, 724873, 811425, 1081900, 1169150, 1402980, 1449746, 1622850, 1753725, 2174619, 2338300, 2899492, 3245700, 3507450, 3624365, 4349238, 7014900, 7248730, 8698476, 10873095, 14497460, 18121825, 21746190, 36243650, 43492380, 54365475, 72487300, 108730950, 217461900]

約数ペア:

[(1, 217461900), (2, 108730950), (3, 72487300), (4, 54365475), (5, 43492380), (6, 36243650), (10, 21746190), (12, 18121825), (15, 14497460), (20, 10873095), (25, 8698476), (30, 7248730), (31, 7014900), (50, 4349238), (60, 3624365), (62, 3507450), (67, 3245700), (75, 2899492), (93, 2338300), (100, 2174619), (124, 1753725), (134, 1622850), (150, 1449746), (155, 1402980), (186, 1169150), (201, 1081900), (268, 811425), (300, 724873), (310, 701490), (335, 649140), (349, 623100), (372, 584575), (402, 540950), (465, 467660), (620, 350745), (670, 324570), (698, 311550), (775, 280596), (804, 270475), (930, 233830), (1005, 216380), (1047, 207700), (1340, 162285), (1396, 155775), (1550, 140298), (1675, 129828), (1745, 124620), (1860, 116915), (2010, 108190), (2077, 104700), (2094, 103850), (2325, 93532), (3100, 70149), (3350, 64914), (3490, 62310), (4020, 54095), (4154, 52350), (4188, 51925), (4650, 46766), (5025, 43276), (5235, 41540), (6231, 34900), (6700, 32457), (6980, 31155), (8308, 26175), (8725, 24924), (9300, 23383), (10050, 21638), (10385, 20940), (10470, 20770), (10819, 20100), (12462, 17450)]