230943860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:278

約数の個数: 144

約数和(自身を含む): 605203200

約数和(自身を除く): 374259340

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 79, 95, 98, 133, 140, 157, 158, 190, 196, 245, 266, 314, 316, 380, 395, 490, 532, 553, 628, 665, 785, 790, 931, 980, 1099, 1106, 1330, 1501, 1570, 1580, 1862, 2198, 2212, 2660, 2765, 2983, 3002, 3140, 3724, 3871, 4396, 4655, 5495, 5530, 5966, 6004, 7505, 7693, 7742, 9310, 10507, 10990, 11060, 11932, 12403, 14915, 15010, 15386, 15484, 18620, 19355, 20881, 21014, 21980, 24806, 29830, 30020, 30772, 38465, 38710, 41762, 42028, 49612, 52535, 59660, 62015, 73549, 76930, 77420, 83524, 86821, 104405, 105070, 124030, 146167, 147098, 153860, 173642, 208810, 210140, 235657, 248060, 292334, 294196, 347284, 367745, 417620, 434105, 471314, 584668, 607747, 730835, 735490, 868210, 942628, 1178285, 1215494, 1461670, 1470980, 1649599, 1736420, 2356570, 2430988, 2923340, 3038735, 3299198, 4713140, 6077470, 6598396, 8247995, 11547193, 12154940, 16495990, 23094386, 32991980, 46188772, 57735965, 115471930, 230943860]

約数ペア:

[(1, 230943860), (2, 115471930), (4, 57735965), (5, 46188772), (7, 32991980), (10, 23094386), (14, 16495990), (19, 12154940), (20, 11547193), (28, 8247995), (35, 6598396), (38, 6077470), (49, 4713140), (70, 3299198), (76, 3038735), (79, 2923340), (95, 2430988), (98, 2356570), (133, 1736420), (140, 1649599), (157, 1470980), (158, 1461670), (190, 1215494), (196, 1178285), (245, 942628), (266, 868210), (314, 735490), (316, 730835), (380, 607747), (395, 584668), (490, 471314), (532, 434105), (553, 417620), (628, 367745), (665, 347284), (785, 294196), (790, 292334), (931, 248060), (980, 235657), (1099, 210140), (1106, 208810), (1330, 173642), (1501, 153860), (1570, 147098), (1580, 146167), (1862, 124030), (2198, 105070), (2212, 104405), (2660, 86821), (2765, 83524), (2983, 77420), (3002, 76930), (3140, 73549), (3724, 62015), (3871, 59660), (4396, 52535), (4655, 49612), (5495, 42028), (5530, 41762), (5966, 38710), (6004, 38465), (7505, 30772), (7693, 30020), (7742, 29830), (9310, 24806), (10507, 21980), (10990, 21014), (11060, 20881), (11932, 19355), (12403, 18620), (14915, 15484), (15010, 15386)]