38780140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:335

約数の個数: 96

約数和(自身を含む): 99993600

約数和(自身を除く): 61213460

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 61, 70, 76, 95, 122, 133, 140, 190, 239, 244, 266, 305, 380, 427, 478, 532, 610, 665, 854, 956, 1159, 1195, 1220, 1330, 1673, 1708, 2135, 2318, 2390, 2660, 3346, 4270, 4541, 4636, 4780, 5795, 6692, 8113, 8365, 8540, 9082, 11590, 14579, 16226, 16730, 18164, 22705, 23180, 29158, 31787, 32452, 33460, 40565, 45410, 58316, 63574, 72895, 81130, 90820, 102053, 127148, 145790, 158935, 162260, 204106, 277001, 291580, 317870, 408212, 510265, 554002, 635740, 1020530, 1108004, 1385005, 1939007, 2041060, 2770010, 3878014, 5540020, 7756028, 9695035, 19390070, 38780140]

約数ペア:

[(1, 38780140), (2, 19390070), (4, 9695035), (5, 7756028), (7, 5540020), (10, 3878014), (14, 2770010), (19, 2041060), (20, 1939007), (28, 1385005), (35, 1108004), (38, 1020530), (61, 635740), (70, 554002), (76, 510265), (95, 408212), (122, 317870), (133, 291580), (140, 277001), (190, 204106), (239, 162260), (244, 158935), (266, 145790), (305, 127148), (380, 102053), (427, 90820), (478, 81130), (532, 72895), (610, 63574), (665, 58316), (854, 45410), (956, 40565), (1159, 33460), (1195, 32452), (1220, 31787), (1330, 29158), (1673, 23180), (1708, 22705), (2135, 18164), (2318, 16730), (2390, 16226), (2660, 14579), (3346, 11590), (4270, 9082), (4541, 8540), (4636, 8365), (4780, 8113), (5795, 6692)]