398493840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2819}}^1$

素因数の和:2885

約数の個数: 160

約数和(自身を含む): 1342771200

約数和(自身を除く): 944277360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 31, 38, 40, 48, 57, 60, 62, 76, 80, 93, 95, 114, 120, 124, 152, 155, 186, 190, 228, 240, 248, 285, 304, 310, 372, 380, 456, 465, 496, 570, 589, 620, 744, 760, 912, 930, 1140, 1178, 1240, 1488, 1520, 1767, 1860, 2280, 2356, 2480, 2819, 2945, 3534, 3720, 4560, 4712, 5638, 5890, 7068, 7440, 8457, 8835, 9424, 11276, 11780, 14095, 14136, 16914, 17670, 22552, 23560, 28190, 28272, 33828, 35340, 42285, 45104, 47120, 53561, 56380, 67656, 70680, 84570, 87389, 107122, 112760, 135312, 141360, 160683, 169140, 174778, 214244, 225520, 262167, 267805, 321366, 338280, 349556, 428488, 436945, 524334, 535610, 642732, 676560, 699112, 803415, 856976, 873890, 1048668, 1071220, 1285464, 1310835, 1398224, 1606830, 1660391, 1747780, 2097336, 2142440, 2570928, 2621670, 3213660, 3320782, 3495560, 4194672, 4284880, 4981173, 5243340, 6427320, 6641564, 6991120, 8301955, 9962346, 10486680, 12854640, 13283128, 16603910, 19924692, 20973360, 24905865, 26566256, 33207820, 39849384, 49811730, 66415640, 79698768, 99623460, 132831280, 199246920, 398493840]

約数ペア:

[(1, 398493840), (2, 199246920), (3, 132831280), (4, 99623460), (5, 79698768), (6, 66415640), (8, 49811730), (10, 39849384), (12, 33207820), (15, 26566256), (16, 24905865), (19, 20973360), (20, 19924692), (24, 16603910), (30, 13283128), (31, 12854640), (38, 10486680), (40, 9962346), (48, 8301955), (57, 6991120), (60, 6641564), (62, 6427320), (76, 5243340), (80, 4981173), (93, 4284880), (95, 4194672), (114, 3495560), (120, 3320782), (124, 3213660), (152, 2621670), (155, 2570928), (186, 2142440), (190, 2097336), (228, 1747780), (240, 1660391), (248, 1606830), (285, 1398224), (304, 1310835), (310, 1285464), (372, 1071220), (380, 1048668), (456, 873890), (465, 856976), (496, 803415), (570, 699112), (589, 676560), (620, 642732), (744, 535610), (760, 524334), (912, 436945), (930, 428488), (1140, 349556), (1178, 338280), (1240, 321366), (1488, 267805), (1520, 262167), (1767, 225520), (1860, 214244), (2280, 174778), (2356, 169140), (2480, 160683), (2819, 141360), (2945, 135312), (3534, 112760), (3720, 107122), (4560, 87389), (4712, 84570), (5638, 70680), (5890, 67656), (7068, 56380), (7440, 53561), (8457, 47120), (8835, 45104), (9424, 42285), (11276, 35340), (11780, 33828), (14095, 28272), (14136, 28190), (16914, 23560), (17670, 22552)]