320424500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:219

約数の個数: 192

約数和(自身を含む): 849139200

約数和(自身を除く): 528714700

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 23, 25, 34, 44, 46, 50, 55, 68, 85, 92, 100, 110, 115, 125, 149, 170, 187, 220, 230, 250, 253, 275, 298, 340, 374, 391, 425, 460, 500, 506, 550, 575, 596, 745, 748, 782, 850, 935, 1012, 1100, 1150, 1265, 1375, 1490, 1564, 1639, 1700, 1870, 1955, 2125, 2300, 2530, 2533, 2750, 2875, 2980, 3278, 3427, 3725, 3740, 3910, 4250, 4301, 4675, 5060, 5066, 5500, 5750, 6325, 6556, 6854, 7450, 7820, 8195, 8500, 8602, 9350, 9775, 10132, 11500, 12650, 12665, 13708, 14900, 16390, 17135, 17204, 18625, 18700, 19550, 21505, 23375, 25300, 25330, 27863, 31625, 32780, 34270, 37250, 37697, 39100, 40975, 43010, 46750, 48875, 50660, 55726, 58259, 63250, 63325, 68540, 74500, 75394, 81950, 85675, 86020, 93500, 97750, 107525, 111452, 116518, 126500, 126650, 139315, 150788, 163900, 171350, 188485, 195500, 204875, 215050, 233036, 253300, 278630, 291295, 316625, 342700, 376970, 409750, 428375, 430100, 537625, 557260, 582590, 633250, 640849, 696575, 753940, 819500, 856750, 942425, 1075250, 1165180, 1266500, 1281698, 1393150, 1456475, 1713500, 1884850, 2150500, 2563396, 2786300, 2912950, 3204245, 3482875, 3769700, 4712125, 5825900, 6408490, 6965750, 7282375, 9424250, 12816980, 13931500, 14564750, 16021225, 18848500, 29129500, 32042450, 64084900, 80106125, 160212250, 320424500]

約数ペア:

[(1, 320424500), (2, 160212250), (4, 80106125), (5, 64084900), (10, 32042450), (11, 29129500), (17, 18848500), (20, 16021225), (22, 14564750), (23, 13931500), (25, 12816980), (34, 9424250), (44, 7282375), (46, 6965750), (50, 6408490), (55, 5825900), (68, 4712125), (85, 3769700), (92, 3482875), (100, 3204245), (110, 2912950), (115, 2786300), (125, 2563396), (149, 2150500), (170, 1884850), (187, 1713500), (220, 1456475), (230, 1393150), (250, 1281698), (253, 1266500), (275, 1165180), (298, 1075250), (340, 942425), (374, 856750), (391, 819500), (425, 753940), (460, 696575), (500, 640849), (506, 633250), (550, 582590), (575, 557260), (596, 537625), (745, 430100), (748, 428375), (782, 409750), (850, 376970), (935, 342700), (1012, 316625), (1100, 291295), (1150, 278630), (1265, 253300), (1375, 233036), (1490, 215050), (1564, 204875), (1639, 195500), (1700, 188485), (1870, 171350), (1955, 163900), (2125, 150788), (2300, 139315), (2530, 126650), (2533, 126500), (2750, 116518), (2875, 111452), (2980, 107525), (3278, 97750), (3427, 93500), (3725, 86020), (3740, 85675), (3910, 81950), (4250, 75394), (4301, 74500), (4675, 68540), (5060, 63325), (5066, 63250), (5500, 58259), (5750, 55726), (6325, 50660), (6556, 48875), (6854, 46750), (7450, 43010), (7820, 40975), (8195, 39100), (8500, 37697), (8602, 37250), (9350, 34270), (9775, 32780), (10132, 31625), (11500, 27863), (12650, 25330), (12665, 25300), (13708, 23375), (14900, 21505), (16390, 19550), (17135, 18700), (17204, 18625)]