118900000

素因数分解:

$2^5\times 5^5\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:105

約数の個数: 144

約数和(自身を含む): 310058280

約数和(自身を除く): 191158280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 32, 40, 41, 50, 58, 80, 82, 100, 116, 125, 145, 160, 164, 200, 205, 232, 250, 290, 328, 400, 410, 464, 500, 580, 625, 656, 725, 800, 820, 928, 1000, 1025, 1160, 1189, 1250, 1312, 1450, 1640, 2000, 2050, 2320, 2378, 2500, 2900, 3125, 3280, 3625, 4000, 4100, 4640, 4756, 5000, 5125, 5800, 5945, 6250, 6560, 7250, 8200, 9512, 10000, 10250, 11600, 11890, 12500, 14500, 16400, 18125, 19024, 20000, 20500, 23200, 23780, 25000, 25625, 29000, 29725, 32800, 36250, 38048, 41000, 47560, 50000, 51250, 58000, 59450, 72500, 82000, 90625, 95120, 100000, 102500, 116000, 118900, 128125, 145000, 148625, 164000, 181250, 190240, 205000, 237800, 256250, 290000, 297250, 362500, 410000, 475600, 512500, 580000, 594500, 725000, 743125, 820000, 951200, 1025000, 1189000, 1450000, 1486250, 2050000, 2378000, 2900000, 2972500, 3715625, 4100000, 4756000, 5945000, 7431250, 11890000, 14862500, 23780000, 29725000, 59450000, 118900000]

約数ペア:

[(1, 118900000), (2, 59450000), (4, 29725000), (5, 23780000), (8, 14862500), (10, 11890000), (16, 7431250), (20, 5945000), (25, 4756000), (29, 4100000), (32, 3715625), (40, 2972500), (41, 2900000), (50, 2378000), (58, 2050000), (80, 1486250), (82, 1450000), (100, 1189000), (116, 1025000), (125, 951200), (145, 820000), (160, 743125), (164, 725000), (200, 594500), (205, 580000), (232, 512500), (250, 475600), (290, 410000), (328, 362500), (400, 297250), (410, 290000), (464, 256250), (500, 237800), (580, 205000), (625, 190240), (656, 181250), (725, 164000), (800, 148625), (820, 145000), (928, 128125), (1000, 118900), (1025, 116000), (1160, 102500), (1189, 100000), (1250, 95120), (1312, 90625), (1450, 82000), (1640, 72500), (2000, 59450), (2050, 58000), (2320, 51250), (2378, 50000), (2500, 47560), (2900, 41000), (3125, 38048), (3280, 36250), (3625, 32800), (4000, 29725), (4100, 29000), (4640, 25625), (4756, 25000), (5000, 23780), (5125, 23200), (5800, 20500), (5945, 20000), (6250, 19024), (6560, 18125), (7250, 16400), (8200, 14500), (9512, 12500), (10000, 11890), (10250, 11600)]