421780500

素因数分解:

$2^2\times 3^3\times 5^3\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:384

約数の個数: 192

約数和(自身を含む): 1380288000

約数和(自身を除く): 958507500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 100, 108, 125, 135, 150, 157, 180, 199, 225, 250, 270, 300, 314, 375, 398, 450, 471, 500, 540, 597, 628, 675, 750, 785, 796, 900, 942, 995, 1125, 1194, 1350, 1413, 1500, 1570, 1791, 1884, 1990, 2250, 2355, 2388, 2700, 2826, 2985, 3140, 3375, 3582, 3925, 3980, 4239, 4500, 4710, 4975, 5373, 5652, 5970, 6750, 7065, 7164, 7850, 8478, 8955, 9420, 9950, 10746, 11775, 11940, 13500, 14130, 14925, 15700, 16956, 17910, 19625, 19900, 21195, 21492, 23550, 24875, 26865, 28260, 29850, 31243, 35325, 35820, 39250, 42390, 44775, 47100, 49750, 53730, 58875, 59700, 62486, 70650, 74625, 78500, 84780, 89550, 93729, 99500, 105975, 107460, 117750, 124972, 134325, 141300, 149250, 156215, 176625, 179100, 187458, 211950, 223875, 235500, 268650, 281187, 298500, 312430, 353250, 374916, 423900, 447750, 468645, 529875, 537300, 562374, 624860, 671625, 706500, 781075, 843561, 895500, 937290, 1059750, 1124748, 1343250, 1405935, 1562150, 1687122, 1874580, 2119500, 2343225, 2686500, 2811870, 3124300, 3374244, 3905375, 4217805, 4686450, 5623740, 7029675, 7810750, 8435610, 9372900, 11716125, 14059350, 15621500, 16871220, 21089025, 23432250, 28118700, 35148375, 42178050, 46864500, 70296750, 84356100, 105445125, 140593500, 210890250, 421780500]

約数ペア:

[(1, 421780500), (2, 210890250), (3, 140593500), (4, 105445125), (5, 84356100), (6, 70296750), (9, 46864500), (10, 42178050), (12, 35148375), (15, 28118700), (18, 23432250), (20, 21089025), (25, 16871220), (27, 15621500), (30, 14059350), (36, 11716125), (45, 9372900), (50, 8435610), (54, 7810750), (60, 7029675), (75, 5623740), (90, 4686450), (100, 4217805), (108, 3905375), (125, 3374244), (135, 3124300), (150, 2811870), (157, 2686500), (180, 2343225), (199, 2119500), (225, 1874580), (250, 1687122), (270, 1562150), (300, 1405935), (314, 1343250), (375, 1124748), (398, 1059750), (450, 937290), (471, 895500), (500, 843561), (540, 781075), (597, 706500), (628, 671625), (675, 624860), (750, 562374), (785, 537300), (796, 529875), (900, 468645), (942, 447750), (995, 423900), (1125, 374916), (1194, 353250), (1350, 312430), (1413, 298500), (1500, 281187), (1570, 268650), (1791, 235500), (1884, 223875), (1990, 211950), (2250, 187458), (2355, 179100), (2388, 176625), (2700, 156215), (2826, 149250), (2985, 141300), (3140, 134325), (3375, 124972), (3582, 117750), (3925, 107460), (3980, 105975), (4239, 99500), (4500, 93729), (4710, 89550), (4975, 84780), (5373, 78500), (5652, 74625), (5970, 70650), (6750, 62486), (7065, 59700), (7164, 58875), (7850, 53730), (8478, 49750), (8955, 47100), (9420, 44775), (9950, 42390), (10746, 39250), (11775, 35820), (11940, 35325), (13500, 31243), (14130, 29850), (14925, 28260), (15700, 26865), (16956, 24875), (17910, 23550), (19625, 21492), (19900, 21195)]