200880015

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{397}}^1$

素因数の和:552

約数の個数: 64

約数和(自身を含む): 379023360

約数和(自身を除く): 178143345

約数列:

[1, 3, 5, 7, 15, 21, 35, 61, 79, 105, 183, 237, 305, 395, 397, 427, 553, 915, 1185, 1191, 1281, 1659, 1985, 2135, 2765, 2779, 4819, 5955, 6405, 8295, 8337, 13895, 14457, 24095, 24217, 31363, 33733, 41685, 72285, 72651, 94089, 101199, 121085, 156815, 168665, 169519, 219541, 363255, 470445, 505995, 508557, 658623, 847595, 1097705, 1913143, 2542785, 3293115, 5739429, 9565715, 13392001, 28697145, 40176003, 66960005, 200880015]

約数ペア:

[(1, 200880015), (3, 66960005), (5, 40176003), (7, 28697145), (15, 13392001), (21, 9565715), (35, 5739429), (61, 3293115), (79, 2542785), (105, 1913143), (183, 1097705), (237, 847595), (305, 658623), (395, 508557), (397, 505995), (427, 470445), (553, 363255), (915, 219541), (1185, 169519), (1191, 168665), (1281, 156815), (1659, 121085), (1985, 101199), (2135, 94089), (2765, 72651), (2779, 72285), (4819, 41685), (5955, 33733), (6405, 31363), (8295, 24217), (8337, 24095), (13895, 14457)]