775988900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{4723}}^1$

素因数の和:4821

約数の個数: 72

約数和(自身を含む): 1771386624

約数和(自身を除く): 995397724

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 53, 62, 100, 106, 124, 155, 212, 265, 310, 530, 620, 775, 1060, 1325, 1550, 1643, 2650, 3100, 3286, 4723, 5300, 6572, 8215, 9446, 16430, 18892, 23615, 32860, 41075, 47230, 82150, 94460, 118075, 146413, 164300, 236150, 250319, 292826, 472300, 500638, 585652, 732065, 1001276, 1251595, 1464130, 2503190, 2928260, 3660325, 5006380, 6257975, 7320650, 7759889, 12515950, 14641300, 15519778, 25031900, 31039556, 38799445, 77598890, 155197780, 193997225, 387994450, 775988900]

約数ペア:

[(1, 775988900), (2, 387994450), (4, 193997225), (5, 155197780), (10, 77598890), (20, 38799445), (25, 31039556), (31, 25031900), (50, 15519778), (53, 14641300), (62, 12515950), (100, 7759889), (106, 7320650), (124, 6257975), (155, 5006380), (212, 3660325), (265, 2928260), (310, 2503190), (530, 1464130), (620, 1251595), (775, 1001276), (1060, 732065), (1325, 585652), (1550, 500638), (1643, 472300), (2650, 292826), (3100, 250319), (3286, 236150), (4723, 164300), (5300, 146413), (6572, 118075), (8215, 94460), (9446, 82150), (16430, 47230), (18892, 41075), (23615, 32860)]