290496700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{619}}^1$

素因数の和:684

約数の個数: 108

約数和(自身を含む): 717636360

約数和(自身を除く): 427139660

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 95, 100, 130, 190, 247, 260, 325, 361, 380, 475, 494, 619, 650, 722, 950, 988, 1235, 1238, 1300, 1444, 1805, 1900, 2470, 2476, 3095, 3610, 4693, 4940, 6175, 6190, 7220, 8047, 9025, 9386, 11761, 12350, 12380, 15475, 16094, 18050, 18772, 23465, 23522, 24700, 30950, 32188, 36100, 40235, 46930, 47044, 58805, 61900, 80470, 93860, 117325, 117610, 152893, 160940, 201175, 223459, 234650, 235220, 294025, 305786, 402350, 446918, 469300, 588050, 611572, 764465, 804700, 893836, 1117295, 1176100, 1528930, 2234590, 2904967, 3057860, 3822325, 4469180, 5586475, 5809934, 7644650, 11172950, 11619868, 14524835, 15289300, 22345900, 29049670, 58099340, 72624175, 145248350, 290496700]

約数ペア:

[(1, 290496700), (2, 145248350), (4, 72624175), (5, 58099340), (10, 29049670), (13, 22345900), (19, 15289300), (20, 14524835), (25, 11619868), (26, 11172950), (38, 7644650), (50, 5809934), (52, 5586475), (65, 4469180), (76, 3822325), (95, 3057860), (100, 2904967), (130, 2234590), (190, 1528930), (247, 1176100), (260, 1117295), (325, 893836), (361, 804700), (380, 764465), (475, 611572), (494, 588050), (619, 469300), (650, 446918), (722, 402350), (950, 305786), (988, 294025), (1235, 235220), (1238, 234650), (1300, 223459), (1444, 201175), (1805, 160940), (1900, 152893), (2470, 117610), (2476, 117325), (3095, 93860), (3610, 80470), (4693, 61900), (4940, 58805), (6175, 47044), (6190, 46930), (7220, 40235), (8047, 36100), (9025, 32188), (9386, 30950), (11761, 24700), (12350, 23522), (12380, 23465), (15475, 18772), (16094, 18050)]