398365500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{659}}^1$

素因数の和:725

約数の個数: 192

約数和(自身を含む): 1291530240

約数和(自身を除く): 893164740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 31, 39, 50, 52, 60, 62, 65, 75, 78, 93, 100, 124, 125, 130, 150, 155, 156, 186, 195, 250, 260, 300, 310, 325, 372, 375, 390, 403, 465, 500, 620, 650, 659, 750, 775, 780, 806, 930, 975, 1209, 1300, 1318, 1500, 1550, 1612, 1625, 1860, 1950, 1977, 2015, 2325, 2418, 2636, 3100, 3250, 3295, 3875, 3900, 3954, 4030, 4650, 4836, 4875, 6045, 6500, 6590, 7750, 7908, 8060, 8567, 9300, 9750, 9885, 10075, 11625, 12090, 13180, 15500, 16475, 17134, 19500, 19770, 20150, 20429, 23250, 24180, 25701, 30225, 32950, 34268, 39540, 40300, 40858, 42835, 46500, 49425, 50375, 51402, 60450, 61287, 65900, 81716, 82375, 85670, 98850, 100750, 102145, 102804, 120900, 122574, 128505, 151125, 164750, 171340, 197700, 201500, 204290, 214175, 245148, 247125, 257010, 265577, 302250, 306435, 329500, 408580, 428350, 494250, 510725, 514020, 531154, 604500, 612870, 642525, 796731, 856700, 988500, 1021450, 1062308, 1070875, 1225740, 1285050, 1327885, 1532175, 1593462, 2042900, 2141750, 2553625, 2570100, 2655770, 3064350, 3186924, 3212625, 3983655, 4283500, 5107250, 5311540, 6128700, 6425250, 6639425, 7660875, 7967310, 10214500, 12850500, 13278850, 15321750, 15934620, 19918275, 26557700, 30643500, 33197125, 39836550, 66394250, 79673100, 99591375, 132788500, 199182750, 398365500]

約数ペア:

[(1, 398365500), (2, 199182750), (3, 132788500), (4, 99591375), (5, 79673100), (6, 66394250), (10, 39836550), (12, 33197125), (13, 30643500), (15, 26557700), (20, 19918275), (25, 15934620), (26, 15321750), (30, 13278850), (31, 12850500), (39, 10214500), (50, 7967310), (52, 7660875), (60, 6639425), (62, 6425250), (65, 6128700), (75, 5311540), (78, 5107250), (93, 4283500), (100, 3983655), (124, 3212625), (125, 3186924), (130, 3064350), (150, 2655770), (155, 2570100), (156, 2553625), (186, 2141750), (195, 2042900), (250, 1593462), (260, 1532175), (300, 1327885), (310, 1285050), (325, 1225740), (372, 1070875), (375, 1062308), (390, 1021450), (403, 988500), (465, 856700), (500, 796731), (620, 642525), (650, 612870), (659, 604500), (750, 531154), (775, 514020), (780, 510725), (806, 494250), (930, 428350), (975, 408580), (1209, 329500), (1300, 306435), (1318, 302250), (1500, 265577), (1550, 257010), (1612, 247125), (1625, 245148), (1860, 214175), (1950, 204290), (1977, 201500), (2015, 197700), (2325, 171340), (2418, 164750), (2636, 151125), (3100, 128505), (3250, 122574), (3295, 120900), (3875, 102804), (3900, 102145), (3954, 100750), (4030, 98850), (4650, 85670), (4836, 82375), (4875, 81716), (6045, 65900), (6500, 61287), (6590, 60450), (7750, 51402), (7908, 50375), (8060, 49425), (8567, 46500), (9300, 42835), (9750, 40858), (9885, 40300), (10075, 39540), (11625, 34268), (12090, 32950), (13180, 30225), (15500, 25701), (16475, 24180), (17134, 23250), (19500, 20429), (19770, 20150)]