389631363400

素因数分解:

$2^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{1123}}^1\times {\mathrm{28439}}^1$

素因数の和:29639

約数の個数: 96

約数和(自身を含む): 921595924800

約数和(自身を除く): 531964561400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 122, 200, 244, 305, 488, 610, 1123, 1220, 1525, 2246, 2440, 3050, 4492, 5615, 6100, 8984, 11230, 12200, 22460, 28075, 28439, 44920, 56150, 56878, 68503, 112300, 113756, 137006, 142195, 224600, 227512, 274012, 284390, 342515, 548024, 568780, 685030, 710975, 1137560, 1370060, 1421950, 1712575, 1734779, 2740120, 2843900, 3425150, 3469558, 5687800, 6850300, 6939116, 8673895, 13700600, 13878232, 17347790, 31936997, 34695580, 43369475, 63873994, 69391160, 86738950, 127747988, 159684985, 173477900, 255495976, 319369970, 346955800, 638739940, 798424925, 1277479880, 1596849850, 1948156817, 3193699700, 3896313634, 6387399400, 7792627268, 9740784085, 15585254536, 19481568170, 38963136340, 48703920425, 77926272680, 97407840850, 194815681700, 389631363400]

約数ペア:

[(1, 389631363400), (2, 194815681700), (4, 97407840850), (5, 77926272680), (8, 48703920425), (10, 38963136340), (20, 19481568170), (25, 15585254536), (40, 9740784085), (50, 7792627268), (61, 6387399400), (100, 3896313634), (122, 3193699700), (200, 1948156817), (244, 1596849850), (305, 1277479880), (488, 798424925), (610, 638739940), (1123, 346955800), (1220, 319369970), (1525, 255495976), (2246, 173477900), (2440, 159684985), (3050, 127747988), (4492, 86738950), (5615, 69391160), (6100, 63873994), (8984, 43369475), (11230, 34695580), (12200, 31936997), (22460, 17347790), (28075, 13878232), (28439, 13700600), (44920, 8673895), (56150, 6939116), (56878, 6850300), (68503, 5687800), (112300, 3469558), (113756, 3425150), (137006, 2843900), (142195, 2740120), (224600, 1734779), (227512, 1712575), (274012, 1421950), (284390, 1370060), (342515, 1137560), (548024, 710975), (568780, 685030)]