311939800

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3989}}^1$

素因数の和:4045

約数の個数: 96

約数和(自身を含む): 801511200

約数和(自身を除く): 489571400

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 25, 34, 40, 46, 50, 68, 85, 92, 100, 115, 136, 170, 184, 200, 230, 340, 391, 425, 460, 575, 680, 782, 850, 920, 1150, 1564, 1700, 1955, 2300, 3128, 3400, 3910, 3989, 4600, 7820, 7978, 9775, 15640, 15956, 19550, 19945, 31912, 39100, 39890, 67813, 78200, 79780, 91747, 99725, 135626, 159560, 183494, 199450, 271252, 339065, 366988, 398900, 458735, 542504, 678130, 733976, 797800, 917470, 1356260, 1559699, 1695325, 1834940, 2293675, 2712520, 3119398, 3390650, 3669880, 4587350, 6238796, 6781300, 7798495, 9174700, 12477592, 13562600, 15596990, 18349400, 31193980, 38992475, 62387960, 77984950, 155969900, 311939800]

約数ペア:

[(1, 311939800), (2, 155969900), (4, 77984950), (5, 62387960), (8, 38992475), (10, 31193980), (17, 18349400), (20, 15596990), (23, 13562600), (25, 12477592), (34, 9174700), (40, 7798495), (46, 6781300), (50, 6238796), (68, 4587350), (85, 3669880), (92, 3390650), (100, 3119398), (115, 2712520), (136, 2293675), (170, 1834940), (184, 1695325), (200, 1559699), (230, 1356260), (340, 917470), (391, 797800), (425, 733976), (460, 678130), (575, 542504), (680, 458735), (782, 398900), (850, 366988), (920, 339065), (1150, 271252), (1564, 199450), (1700, 183494), (1955, 159560), (2300, 135626), (3128, 99725), (3400, 91747), (3910, 79780), (3989, 78200), (4600, 67813), (7820, 39890), (7978, 39100), (9775, 31912), (15640, 19945), (15956, 19550)]