1938360440

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1\times {\mathrm{3299}}^1$

素因数の和:3744

約数の個数: 64

約数和(自身を含む): 4491828000

約数和(自身を除く): 2553467560

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 397, 740, 794, 1480, 1588, 1985, 3176, 3299, 3970, 6598, 7940, 13196, 14689, 15880, 16495, 26392, 29378, 32990, 58756, 65980, 73445, 117512, 122063, 131960, 146890, 244126, 293780, 488252, 587560, 610315, 976504, 1220630, 1309703, 2441260, 2619406, 4882520, 5238812, 6548515, 10477624, 13097030, 26194060, 48459011, 52388120, 96918022, 193836044, 242295055, 387672088, 484590110, 969180220, 1938360440]

約数ペア:

[(1, 1938360440), (2, 969180220), (4, 484590110), (5, 387672088), (8, 242295055), (10, 193836044), (20, 96918022), (37, 52388120), (40, 48459011), (74, 26194060), (148, 13097030), (185, 10477624), (296, 6548515), (370, 5238812), (397, 4882520), (740, 2619406), (794, 2441260), (1480, 1309703), (1588, 1220630), (1985, 976504), (3176, 610315), (3299, 587560), (3970, 488252), (6598, 293780), (7940, 244126), (13196, 146890), (14689, 131960), (15880, 122063), (16495, 117512), (26392, 73445), (29378, 65980), (32990, 58756)]