155704400

素因数分解:

$2^4\times 5^2\times {\mathrm{97}}^1\times {\mathrm{4013}}^1$

素因数の和:4128

約数の個数: 60

約数和(自身を含む): 378030492

約数和(自身を除く): 222326092

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 97, 100, 194, 200, 388, 400, 485, 776, 970, 1552, 1940, 2425, 3880, 4013, 4850, 7760, 8026, 9700, 16052, 19400, 20065, 32104, 38800, 40130, 64208, 80260, 100325, 160520, 200650, 321040, 389261, 401300, 778522, 802600, 1557044, 1605200, 1946305, 3114088, 3892610, 6228176, 7785220, 9731525, 15570440, 19463050, 31140880, 38926100, 77852200, 155704400]

約数ペア:

[(1, 155704400), (2, 77852200), (4, 38926100), (5, 31140880), (8, 19463050), (10, 15570440), (16, 9731525), (20, 7785220), (25, 6228176), (40, 3892610), (50, 3114088), (80, 1946305), (97, 1605200), (100, 1557044), (194, 802600), (200, 778522), (388, 401300), (400, 389261), (485, 321040), (776, 200650), (970, 160520), (1552, 100325), (1940, 80260), (2425, 64208), (3880, 40130), (4013, 38800), (4850, 32104), (7760, 20065), (8026, 19400), (9700, 16052)]