39802140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1019}}^1$

素因数の和:1072

約数の個数: 144

約数和(自身を含む): 142571520

約数和(自身を除く): 102769380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 372, 420, 434, 465, 558, 620, 630, 651, 868, 930, 1019, 1085, 1116, 1260, 1302, 1395, 1860, 1953, 2038, 2170, 2604, 2790, 3057, 3255, 3906, 4076, 4340, 5095, 5580, 6114, 6510, 7133, 7812, 9171, 9765, 10190, 12228, 13020, 14266, 15285, 18342, 19530, 20380, 21399, 28532, 30570, 31589, 35665, 36684, 39060, 42798, 45855, 61140, 63178, 64197, 71330, 85596, 91710, 94767, 106995, 126356, 128394, 142660, 157945, 183420, 189534, 213990, 221123, 256788, 284301, 315890, 320985, 379068, 427980, 442246, 473835, 568602, 631780, 641970, 663369, 884492, 947670, 1105615, 1137204, 1283940, 1326738, 1421505, 1895340, 1990107, 2211230, 2653476, 2843010, 3316845, 3980214, 4422460, 5686020, 6633690, 7960428, 9950535, 13267380, 19901070, 39802140]

約数ペア:

[(1, 39802140), (2, 19901070), (3, 13267380), (4, 9950535), (5, 7960428), (6, 6633690), (7, 5686020), (9, 4422460), (10, 3980214), (12, 3316845), (14, 2843010), (15, 2653476), (18, 2211230), (20, 1990107), (21, 1895340), (28, 1421505), (30, 1326738), (31, 1283940), (35, 1137204), (36, 1105615), (42, 947670), (45, 884492), (60, 663369), (62, 641970), (63, 631780), (70, 568602), (84, 473835), (90, 442246), (93, 427980), (105, 379068), (124, 320985), (126, 315890), (140, 284301), (155, 256788), (180, 221123), (186, 213990), (210, 189534), (217, 183420), (252, 157945), (279, 142660), (310, 128394), (315, 126356), (372, 106995), (420, 94767), (434, 91710), (465, 85596), (558, 71330), (620, 64197), (630, 63178), (651, 61140), (868, 45855), (930, 42798), (1019, 39060), (1085, 36684), (1116, 35665), (1260, 31589), (1302, 30570), (1395, 28532), (1860, 21399), (1953, 20380), (2038, 19530), (2170, 18342), (2604, 15285), (2790, 14266), (3057, 13020), (3255, 12228), (3906, 10190), (4076, 9765), (4340, 9171), (5095, 7812), (5580, 7133), (6114, 6510)]