418534220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{179}}^1$

素因数の和:264

約数の個数: 144

約数和(自身を含む): 1053531360

約数和(自身を除く): 634997140

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 23, 26, 34, 46, 52, 65, 68, 85, 92, 115, 130, 170, 179, 221, 230, 260, 299, 340, 358, 391, 442, 460, 529, 598, 716, 782, 884, 895, 1058, 1105, 1196, 1495, 1564, 1790, 1955, 2116, 2210, 2327, 2645, 2990, 3043, 3580, 3910, 4117, 4420, 4654, 5083, 5290, 5980, 6086, 6877, 7820, 8234, 8993, 9308, 10166, 10580, 11635, 12172, 13754, 15215, 16468, 17986, 20332, 20585, 23270, 25415, 27508, 30430, 34385, 35972, 39559, 41170, 44965, 46540, 50830, 53521, 60860, 68770, 69989, 79118, 82340, 89930, 94691, 101660, 107042, 116909, 137540, 139978, 158236, 179860, 189382, 197795, 214084, 233818, 267605, 279956, 349945, 378764, 395590, 467636, 473455, 535210, 584545, 699890, 791180, 909857, 946910, 1070420, 1169090, 1230983, 1399780, 1609747, 1819714, 1893820, 2338180, 2461966, 3219494, 3639428, 4549285, 4923932, 6154915, 6438988, 8048735, 9098570, 12309830, 16097470, 18197140, 20926711, 24619660, 32194940, 41853422, 83706844, 104633555, 209267110, 418534220]

約数ペア:

[(1, 418534220), (2, 209267110), (4, 104633555), (5, 83706844), (10, 41853422), (13, 32194940), (17, 24619660), (20, 20926711), (23, 18197140), (26, 16097470), (34, 12309830), (46, 9098570), (52, 8048735), (65, 6438988), (68, 6154915), (85, 4923932), (92, 4549285), (115, 3639428), (130, 3219494), (170, 2461966), (179, 2338180), (221, 1893820), (230, 1819714), (260, 1609747), (299, 1399780), (340, 1230983), (358, 1169090), (391, 1070420), (442, 946910), (460, 909857), (529, 791180), (598, 699890), (716, 584545), (782, 535210), (884, 473455), (895, 467636), (1058, 395590), (1105, 378764), (1196, 349945), (1495, 279956), (1564, 267605), (1790, 233818), (1955, 214084), (2116, 197795), (2210, 189382), (2327, 179860), (2645, 158236), (2990, 139978), (3043, 137540), (3580, 116909), (3910, 107042), (4117, 101660), (4420, 94691), (4654, 89930), (5083, 82340), (5290, 79118), (5980, 69989), (6086, 68770), (6877, 60860), (7820, 53521), (8234, 50830), (8993, 46540), (9308, 44965), (10166, 41170), (10580, 39559), (11635, 35972), (12172, 34385), (13754, 30430), (15215, 27508), (16468, 25415), (17986, 23270), (20332, 20585)]