197193720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1931}}^1$

素因数の和:2005

約数の個数: 128

約数和(自身を含む): 634314240

約数和(自身を除く): 437120520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 37, 40, 46, 60, 69, 74, 92, 111, 115, 120, 138, 148, 184, 185, 222, 230, 276, 296, 345, 370, 444, 460, 552, 555, 690, 740, 851, 888, 920, 1110, 1380, 1480, 1702, 1931, 2220, 2553, 2760, 3404, 3862, 4255, 4440, 5106, 5793, 6808, 7724, 8510, 9655, 10212, 11586, 12765, 15448, 17020, 19310, 20424, 23172, 25530, 28965, 34040, 38620, 44413, 46344, 51060, 57930, 71447, 77240, 88826, 102120, 115860, 133239, 142894, 177652, 214341, 222065, 231720, 266478, 285788, 355304, 357235, 428682, 444130, 532956, 571576, 666195, 714470, 857364, 888260, 1065912, 1071705, 1332390, 1428940, 1643281, 1714728, 1776520, 2143410, 2664780, 2857880, 3286562, 4286820, 4929843, 5329560, 6573124, 8216405, 8573640, 9859686, 13146248, 16432810, 19719372, 24649215, 32865620, 39438744, 49298430, 65731240, 98596860, 197193720]

約数ペア:

[(1, 197193720), (2, 98596860), (3, 65731240), (4, 49298430), (5, 39438744), (6, 32865620), (8, 24649215), (10, 19719372), (12, 16432810), (15, 13146248), (20, 9859686), (23, 8573640), (24, 8216405), (30, 6573124), (37, 5329560), (40, 4929843), (46, 4286820), (60, 3286562), (69, 2857880), (74, 2664780), (92, 2143410), (111, 1776520), (115, 1714728), (120, 1643281), (138, 1428940), (148, 1332390), (184, 1071705), (185, 1065912), (222, 888260), (230, 857364), (276, 714470), (296, 666195), (345, 571576), (370, 532956), (444, 444130), (460, 428682), (552, 357235), (555, 355304), (690, 285788), (740, 266478), (851, 231720), (888, 222065), (920, 214341), (1110, 177652), (1380, 142894), (1480, 133239), (1702, 115860), (1931, 102120), (2220, 88826), (2553, 77240), (2760, 71447), (3404, 57930), (3862, 51060), (4255, 46344), (4440, 44413), (5106, 38620), (5793, 34040), (6808, 28965), (7724, 25530), (8510, 23172), (9655, 20424), (10212, 19310), (11586, 17020), (12765, 15448)]