19504100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1$

素因数の和:198

約数の個数: 144

約数和(自身を含む): 56246400

約数和(自身を除く): 36742300

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 25, 28, 34, 35, 44, 50, 55, 68, 70, 77, 85, 100, 110, 119, 140, 149, 154, 170, 175, 187, 220, 238, 275, 298, 308, 340, 350, 374, 385, 425, 476, 550, 595, 596, 700, 745, 748, 770, 850, 935, 1043, 1100, 1190, 1309, 1490, 1540, 1639, 1700, 1870, 1925, 2086, 2380, 2533, 2618, 2975, 2980, 3278, 3725, 3740, 3850, 4172, 4675, 5066, 5215, 5236, 5950, 6545, 6556, 7450, 7700, 8195, 9350, 10132, 10430, 11473, 11900, 12665, 13090, 14900, 16390, 17731, 18700, 20860, 22946, 25330, 26075, 26180, 27863, 32725, 32780, 35462, 40975, 45892, 50660, 52150, 55726, 57365, 63325, 65450, 70924, 81950, 88655, 104300, 111452, 114730, 126650, 130900, 139315, 163900, 177310, 195041, 229460, 253300, 278630, 286825, 354620, 390082, 443275, 557260, 573650, 696575, 780164, 886550, 975205, 1147300, 1393150, 1773100, 1950410, 2786300, 3900820, 4876025, 9752050, 19504100]

約数ペア:

[(1, 19504100), (2, 9752050), (4, 4876025), (5, 3900820), (7, 2786300), (10, 1950410), (11, 1773100), (14, 1393150), (17, 1147300), (20, 975205), (22, 886550), (25, 780164), (28, 696575), (34, 573650), (35, 557260), (44, 443275), (50, 390082), (55, 354620), (68, 286825), (70, 278630), (77, 253300), (85, 229460), (100, 195041), (110, 177310), (119, 163900), (140, 139315), (149, 130900), (154, 126650), (170, 114730), (175, 111452), (187, 104300), (220, 88655), (238, 81950), (275, 70924), (298, 65450), (308, 63325), (340, 57365), (350, 55726), (374, 52150), (385, 50660), (425, 45892), (476, 40975), (550, 35462), (595, 32780), (596, 32725), (700, 27863), (745, 26180), (748, 26075), (770, 25330), (850, 22946), (935, 20860), (1043, 18700), (1100, 17731), (1190, 16390), (1309, 14900), (1490, 13090), (1540, 12665), (1639, 11900), (1700, 11473), (1870, 10430), (1925, 10132), (2086, 9350), (2380, 8195), (2533, 7700), (2618, 7450), (2975, 6556), (2980, 6545), (3278, 5950), (3725, 5236), (3740, 5215), (3850, 5066), (4172, 4675)]