209567250

素因数分解:

$2^1\times 3^4\times 5^3\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:239

約数の個数: 160

約数和(自身を含む): 597991680

約数和(自身を除く): 388424430

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 79, 81, 90, 125, 131, 135, 150, 158, 162, 225, 237, 250, 262, 270, 375, 393, 395, 405, 450, 474, 655, 675, 711, 750, 786, 790, 810, 1125, 1179, 1185, 1310, 1350, 1422, 1965, 1975, 2025, 2133, 2250, 2358, 2370, 3275, 3375, 3537, 3555, 3930, 3950, 4050, 4266, 5895, 5925, 6399, 6550, 6750, 7074, 7110, 9825, 9875, 10125, 10349, 10611, 10665, 11790, 11850, 12798, 16375, 17685, 17775, 19650, 19750, 20250, 20698, 21222, 21330, 29475, 29625, 31047, 31995, 32750, 35370, 35550, 49125, 51745, 53055, 53325, 58950, 59250, 62094, 63990, 88425, 88875, 93141, 98250, 103490, 106110, 106650, 147375, 155235, 159975, 176850, 177750, 186282, 258725, 265275, 266625, 279423, 294750, 310470, 319950, 442125, 465705, 517450, 530550, 533250, 558846, 776175, 799875, 838269, 884250, 931410, 1293625, 1326375, 1397115, 1552350, 1599750, 1676538, 2328525, 2587250, 2652750, 2794230, 3880875, 4191345, 4657050, 6985575, 7761750, 8382690, 11642625, 13971150, 20956725, 23285250, 34927875, 41913450, 69855750, 104783625, 209567250]

約数ペア:

[(1, 209567250), (2, 104783625), (3, 69855750), (5, 41913450), (6, 34927875), (9, 23285250), (10, 20956725), (15, 13971150), (18, 11642625), (25, 8382690), (27, 7761750), (30, 6985575), (45, 4657050), (50, 4191345), (54, 3880875), (75, 2794230), (79, 2652750), (81, 2587250), (90, 2328525), (125, 1676538), (131, 1599750), (135, 1552350), (150, 1397115), (158, 1326375), (162, 1293625), (225, 931410), (237, 884250), (250, 838269), (262, 799875), (270, 776175), (375, 558846), (393, 533250), (395, 530550), (405, 517450), (450, 465705), (474, 442125), (655, 319950), (675, 310470), (711, 294750), (750, 279423), (786, 266625), (790, 265275), (810, 258725), (1125, 186282), (1179, 177750), (1185, 176850), (1310, 159975), (1350, 155235), (1422, 147375), (1965, 106650), (1975, 106110), (2025, 103490), (2133, 98250), (2250, 93141), (2358, 88875), (2370, 88425), (3275, 63990), (3375, 62094), (3537, 59250), (3555, 58950), (3930, 53325), (3950, 53055), (4050, 51745), (4266, 49125), (5895, 35550), (5925, 35370), (6399, 32750), (6550, 31995), (6750, 31047), (7074, 29625), (7110, 29475), (9825, 21330), (9875, 21222), (10125, 20698), (10349, 20250), (10611, 19750), (10665, 19650), (11790, 17775), (11850, 17685), (12798, 16375)]