172365900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{389}}^1$

素因数の和:624

約数の個数: 144

約数和(自身を含む): 574129920

約数和(自身を除く): 401764020

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 211, 300, 350, 389, 420, 422, 525, 633, 700, 778, 844, 1050, 1055, 1167, 1266, 1477, 1556, 1945, 2100, 2110, 2334, 2532, 2723, 2954, 3165, 3890, 4220, 4431, 4668, 5275, 5446, 5835, 5908, 6330, 7385, 7780, 8169, 8862, 9725, 10550, 10892, 11670, 12660, 13615, 14770, 15825, 16338, 17724, 19450, 21100, 22155, 23340, 27230, 29175, 29540, 31650, 32676, 36925, 38900, 40845, 44310, 54460, 58350, 63300, 68075, 73850, 81690, 82079, 88620, 110775, 116700, 136150, 147700, 163380, 164158, 204225, 221550, 246237, 272300, 328316, 408450, 410395, 443100, 492474, 574553, 816900, 820790, 984948, 1149106, 1231185, 1641580, 1723659, 2051975, 2298212, 2462370, 2872765, 3447318, 4103950, 4924740, 5745530, 6155925, 6894636, 8207900, 8618295, 11491060, 12311850, 14363825, 17236590, 24623700, 28727650, 34473180, 43091475, 57455300, 86182950, 172365900]

約数ペア:

[(1, 172365900), (2, 86182950), (3, 57455300), (4, 43091475), (5, 34473180), (6, 28727650), (7, 24623700), (10, 17236590), (12, 14363825), (14, 12311850), (15, 11491060), (20, 8618295), (21, 8207900), (25, 6894636), (28, 6155925), (30, 5745530), (35, 4924740), (42, 4103950), (50, 3447318), (60, 2872765), (70, 2462370), (75, 2298212), (84, 2051975), (100, 1723659), (105, 1641580), (140, 1231185), (150, 1149106), (175, 984948), (210, 820790), (211, 816900), (300, 574553), (350, 492474), (389, 443100), (420, 410395), (422, 408450), (525, 328316), (633, 272300), (700, 246237), (778, 221550), (844, 204225), (1050, 164158), (1055, 163380), (1167, 147700), (1266, 136150), (1477, 116700), (1556, 110775), (1945, 88620), (2100, 82079), (2110, 81690), (2334, 73850), (2532, 68075), (2723, 63300), (2954, 58350), (3165, 54460), (3890, 44310), (4220, 40845), (4431, 38900), (4668, 36925), (5275, 32676), (5446, 31650), (5835, 29540), (5908, 29175), (6330, 27230), (7385, 23340), (7780, 22155), (8169, 21100), (8862, 19450), (9725, 17724), (10550, 16338), (10892, 15825), (11670, 14770), (12660, 13615)]