253323904900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{198701}}^1$

素因数の和:198806

約数の個数: 144

約数和(自身を含む): 641600809920

約数和(自身を除く): 388276905020

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 61, 76, 95, 100, 110, 122, 190, 209, 220, 244, 275, 305, 380, 418, 475, 550, 610, 671, 836, 950, 1045, 1100, 1159, 1220, 1342, 1525, 1900, 2090, 2318, 2684, 3050, 3355, 4180, 4636, 5225, 5795, 6100, 6710, 10450, 11590, 12749, 13420, 16775, 20900, 23180, 25498, 28975, 33550, 50996, 57950, 63745, 67100, 115900, 127490, 198701, 254980, 318725, 397402, 637450, 794804, 993505, 1274900, 1987010, 2185711, 3775319, 3974020, 4371422, 4967525, 7550638, 8742844, 9935050, 10928555, 12120761, 15101276, 18876595, 19870100, 21857110, 24241522, 37753190, 41528509, 43714220, 48483044, 54642775, 60603805, 75506380, 83057018, 94382975, 109285550, 121207610, 133328371, 166114036, 188765950, 207642545, 218571100, 230294459, 242415220, 266656742, 303019025, 377531900, 415285090, 460588918, 533313484, 606038050, 666641855, 830570180, 921177836, 1038212725, 1151472295, 1212076100, 1333283710, 2076425450, 2302944590, 2533239049, 2666567420, 3333209275, 4152850900, 4605889180, 5066478098, 5757361475, 6666418550, 10132956196, 11514722950, 12666195245, 13332837100, 23029445900, 25332390490, 50664780980, 63330976225, 126661952450, 253323904900]

約数ペア:

[(1, 253323904900), (2, 126661952450), (4, 63330976225), (5, 50664780980), (10, 25332390490), (11, 23029445900), (19, 13332837100), (20, 12666195245), (22, 11514722950), (25, 10132956196), (38, 6666418550), (44, 5757361475), (50, 5066478098), (55, 4605889180), (61, 4152850900), (76, 3333209275), (95, 2666567420), (100, 2533239049), (110, 2302944590), (122, 2076425450), (190, 1333283710), (209, 1212076100), (220, 1151472295), (244, 1038212725), (275, 921177836), (305, 830570180), (380, 666641855), (418, 606038050), (475, 533313484), (550, 460588918), (610, 415285090), (671, 377531900), (836, 303019025), (950, 266656742), (1045, 242415220), (1100, 230294459), (1159, 218571100), (1220, 207642545), (1342, 188765950), (1525, 166114036), (1900, 133328371), (2090, 121207610), (2318, 109285550), (2684, 94382975), (3050, 83057018), (3355, 75506380), (4180, 60603805), (4636, 54642775), (5225, 48483044), (5795, 43714220), (6100, 41528509), (6710, 37753190), (10450, 24241522), (11590, 21857110), (12749, 19870100), (13420, 18876595), (16775, 15101276), (20900, 12120761), (23180, 10928555), (25498, 9935050), (28975, 8742844), (33550, 7550638), (50996, 4967525), (57950, 4371422), (63745, 3974020), (67100, 3775319), (115900, 2185711), (127490, 1987010), (198701, 1274900), (254980, 993505), (318725, 794804), (397402, 637450)]