42909020

素因数分解:

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

素因数の和:204

約数の個数: 144

約数和(自身を含む): 120657600

約数和(自身を除く): 77748580

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 28, 34, 35, 44, 55, 68, 70, 77, 85, 110, 119, 121, 140, 149, 154, 170, 187, 220, 238, 242, 298, 308, 340, 374, 385, 476, 484, 595, 596, 605, 745, 748, 770, 847, 935, 1043, 1190, 1210, 1309, 1490, 1540, 1639, 1694, 1870, 2057, 2086, 2380, 2420, 2533, 2618, 2980, 3278, 3388, 3740, 4114, 4172, 4235, 5066, 5215, 5236, 6545, 6556, 8195, 8228, 8470, 10132, 10285, 10430, 11473, 12665, 13090, 14399, 16390, 16940, 17731, 18029, 20570, 20860, 22946, 25330, 26180, 27863, 28798, 32780, 35462, 36058, 41140, 45892, 50660, 55726, 57365, 57596, 70924, 71995, 72116, 88655, 90145, 111452, 114730, 126203, 139315, 143990, 177310, 180290, 195041, 229460, 252406, 278630, 287980, 306493, 354620, 360580, 390082, 504812, 557260, 612986, 631015, 780164, 975205, 1225972, 1262030, 1532465, 1950410, 2145451, 2524060, 3064930, 3900820, 4290902, 6129860, 8581804, 10727255, 21454510, 42909020]

約数ペア:

[(1, 42909020), (2, 21454510), (4, 10727255), (5, 8581804), (7, 6129860), (10, 4290902), (11, 3900820), (14, 3064930), (17, 2524060), (20, 2145451), (22, 1950410), (28, 1532465), (34, 1262030), (35, 1225972), (44, 975205), (55, 780164), (68, 631015), (70, 612986), (77, 557260), (85, 504812), (110, 390082), (119, 360580), (121, 354620), (140, 306493), (149, 287980), (154, 278630), (170, 252406), (187, 229460), (220, 195041), (238, 180290), (242, 177310), (298, 143990), (308, 139315), (340, 126203), (374, 114730), (385, 111452), (476, 90145), (484, 88655), (595, 72116), (596, 71995), (605, 70924), (745, 57596), (748, 57365), (770, 55726), (847, 50660), (935, 45892), (1043, 41140), (1190, 36058), (1210, 35462), (1309, 32780), (1490, 28798), (1540, 27863), (1639, 26180), (1694, 25330), (1870, 22946), (2057, 20860), (2086, 20570), (2380, 18029), (2420, 17731), (2533, 16940), (2618, 16390), (2980, 14399), (3278, 13090), (3388, 12665), (3740, 11473), (4114, 10430), (4172, 10285), (4235, 10132), (5066, 8470), (5215, 8228), (5236, 8195), (6545, 6556)]