237950020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:254

約数の個数: 192

約数和(自身を含む): 674956800

約数和(自身を除く): 437006780

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 28, 34, 35, 44, 55, 61, 68, 70, 77, 85, 110, 119, 122, 140, 149, 154, 170, 187, 220, 238, 244, 298, 305, 308, 340, 374, 385, 427, 476, 595, 596, 610, 671, 745, 748, 770, 854, 935, 1037, 1043, 1190, 1220, 1309, 1342, 1490, 1540, 1639, 1708, 1870, 2074, 2086, 2135, 2380, 2533, 2618, 2684, 2980, 3278, 3355, 3740, 4148, 4172, 4270, 4697, 5066, 5185, 5215, 5236, 6545, 6556, 6710, 7259, 8195, 8540, 9089, 9394, 10132, 10370, 10430, 11407, 11473, 12665, 13090, 13420, 14518, 16390, 17731, 18178, 18788, 20740, 20860, 22814, 22946, 23485, 25330, 26180, 27863, 29036, 32780, 35462, 36295, 36356, 45445, 45628, 45892, 46970, 50660, 55726, 57035, 57365, 63623, 70924, 72590, 79849, 88655, 90890, 93940, 99979, 111452, 114070, 114730, 127246, 139315, 145180, 154513, 159698, 177310, 181780, 195041, 199958, 228140, 229460, 254492, 278630, 309026, 318115, 319396, 354620, 390082, 399245, 399916, 499895, 557260, 618052, 636230, 699853, 772565, 780164, 798490, 975205, 999790, 1081591, 1272460, 1399706, 1545130, 1596980, 1699643, 1950410, 1999580, 2163182, 2799412, 3090260, 3399286, 3499265, 3900820, 4326364, 5407955, 6798572, 6998530, 8498215, 10815910, 11897501, 13997060, 16996430, 21631820, 23795002, 33992860, 47590004, 59487505, 118975010, 237950020]

約数ペア:

[(1, 237950020), (2, 118975010), (4, 59487505), (5, 47590004), (7, 33992860), (10, 23795002), (11, 21631820), (14, 16996430), (17, 13997060), (20, 11897501), (22, 10815910), (28, 8498215), (34, 6998530), (35, 6798572), (44, 5407955), (55, 4326364), (61, 3900820), (68, 3499265), (70, 3399286), (77, 3090260), (85, 2799412), (110, 2163182), (119, 1999580), (122, 1950410), (140, 1699643), (149, 1596980), (154, 1545130), (170, 1399706), (187, 1272460), (220, 1081591), (238, 999790), (244, 975205), (298, 798490), (305, 780164), (308, 772565), (340, 699853), (374, 636230), (385, 618052), (427, 557260), (476, 499895), (595, 399916), (596, 399245), (610, 390082), (671, 354620), (745, 319396), (748, 318115), (770, 309026), (854, 278630), (935, 254492), (1037, 229460), (1043, 228140), (1190, 199958), (1220, 195041), (1309, 181780), (1342, 177310), (1490, 159698), (1540, 154513), (1639, 145180), (1708, 139315), (1870, 127246), (2074, 114730), (2086, 114070), (2135, 111452), (2380, 99979), (2533, 93940), (2618, 90890), (2684, 88655), (2980, 79849), (3278, 72590), (3355, 70924), (3740, 63623), (4148, 57365), (4172, 57035), (4270, 55726), (4697, 50660), (5066, 46970), (5185, 45892), (5215, 45628), (5236, 45445), (6545, 36356), (6556, 36295), (6710, 35462), (7259, 32780), (8195, 29036), (8540, 27863), (9089, 26180), (9394, 25330), (10132, 23485), (10370, 22946), (10430, 22814), (11407, 20860), (11473, 20740), (12665, 18788), (13090, 18178), (13420, 17731), (14518, 16390)]