155200000

素因数分解:

$2^9\times 5^5\times {\mathrm{97}}^1$

素因数の和:140

約数の個数: 120

約数和(自身を含む): 391592124

約数和(自身を除く): 236392124

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 97, 100, 125, 128, 160, 194, 200, 250, 256, 320, 388, 400, 485, 500, 512, 625, 640, 776, 800, 970, 1000, 1250, 1280, 1552, 1600, 1940, 2000, 2425, 2500, 2560, 3104, 3125, 3200, 3880, 4000, 4850, 5000, 6208, 6250, 6400, 7760, 8000, 9700, 10000, 12125, 12416, 12500, 12800, 15520, 16000, 19400, 20000, 24250, 24832, 25000, 31040, 32000, 38800, 40000, 48500, 49664, 50000, 60625, 62080, 64000, 77600, 80000, 97000, 100000, 121250, 124160, 155200, 160000, 194000, 200000, 242500, 248320, 303125, 310400, 320000, 388000, 400000, 485000, 606250, 620800, 776000, 800000, 970000, 1212500, 1241600, 1552000, 1600000, 1940000, 2425000, 3104000, 3880000, 4850000, 6208000, 7760000, 9700000, 15520000, 19400000, 31040000, 38800000, 77600000, 155200000]

約数ペア:

[(1, 155200000), (2, 77600000), (4, 38800000), (5, 31040000), (8, 19400000), (10, 15520000), (16, 9700000), (20, 7760000), (25, 6208000), (32, 4850000), (40, 3880000), (50, 3104000), (64, 2425000), (80, 1940000), (97, 1600000), (100, 1552000), (125, 1241600), (128, 1212500), (160, 970000), (194, 800000), (200, 776000), (250, 620800), (256, 606250), (320, 485000), (388, 400000), (400, 388000), (485, 320000), (500, 310400), (512, 303125), (625, 248320), (640, 242500), (776, 200000), (800, 194000), (970, 160000), (1000, 155200), (1250, 124160), (1280, 121250), (1552, 100000), (1600, 97000), (1940, 80000), (2000, 77600), (2425, 64000), (2500, 62080), (2560, 60625), (3104, 50000), (3125, 49664), (3200, 48500), (3880, 40000), (4000, 38800), (4850, 32000), (5000, 31040), (6208, 25000), (6250, 24832), (6400, 24250), (7760, 20000), (8000, 19400), (9700, 16000), (10000, 15520), (12125, 12800), (12416, 12500)]