16855479940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{101}}^1\times {\mathrm{2221}}^1$

素因数の和:2378

約数の個数: 144

約数和(自身を含む): 40912868304

約数和(自身を除く): 24057388364

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 101, 130, 170, 202, 221, 260, 289, 340, 404, 442, 505, 578, 884, 1010, 1105, 1156, 1313, 1445, 1717, 2020, 2210, 2221, 2626, 2890, 3434, 3757, 4420, 4442, 5252, 5780, 6565, 6868, 7514, 8585, 8884, 11105, 13130, 15028, 17170, 18785, 22210, 22321, 26260, 28873, 29189, 34340, 37570, 37757, 44420, 44642, 57746, 58378, 75140, 75514, 89284, 111605, 115492, 116756, 144365, 145945, 151028, 188785, 223210, 224321, 288730, 291890, 377570, 379457, 446420, 448642, 490841, 577460, 583780, 641869, 755140, 758914, 897284, 981682, 1121605, 1283738, 1517828, 1897285, 1963364, 2243210, 2454205, 2567476, 2916173, 3209345, 3794570, 3813457, 4486420, 4908410, 5832346, 6418690, 7589140, 7626914, 8344297, 9816820, 11664692, 12837380, 14580865, 15253828, 16688594, 19067285, 29161730, 33377188, 38134570, 41721485, 49574941, 58323460, 64828769, 76269140, 83442970, 99149882, 129657538, 166885940, 198299764, 247874705, 259315076, 324143845, 495749410, 648287690, 842773997, 991498820, 1296575380, 1685547994, 3371095988, 4213869985, 8427739970, 16855479940]

約数ペア:

[(1, 16855479940), (2, 8427739970), (4, 4213869985), (5, 3371095988), (10, 1685547994), (13, 1296575380), (17, 991498820), (20, 842773997), (26, 648287690), (34, 495749410), (52, 324143845), (65, 259315076), (68, 247874705), (85, 198299764), (101, 166885940), (130, 129657538), (170, 99149882), (202, 83442970), (221, 76269140), (260, 64828769), (289, 58323460), (340, 49574941), (404, 41721485), (442, 38134570), (505, 33377188), (578, 29161730), (884, 19067285), (1010, 16688594), (1105, 15253828), (1156, 14580865), (1313, 12837380), (1445, 11664692), (1717, 9816820), (2020, 8344297), (2210, 7626914), (2221, 7589140), (2626, 6418690), (2890, 5832346), (3434, 4908410), (3757, 4486420), (4420, 3813457), (4442, 3794570), (5252, 3209345), (5780, 2916173), (6565, 2567476), (6868, 2454205), (7514, 2243210), (8585, 1963364), (8884, 1897285), (11105, 1517828), (13130, 1283738), (15028, 1121605), (17170, 981682), (18785, 897284), (22210, 758914), (22321, 755140), (26260, 641869), (28873, 583780), (29189, 577460), (34340, 490841), (37570, 448642), (37757, 446420), (44420, 379457), (44642, 377570), (57746, 291890), (58378, 288730), (75140, 224321), (75514, 223210), (89284, 188785), (111605, 151028), (115492, 145945), (116756, 144365)]