291280545190

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{647}}^1\times {\mathrm{1451}}^1$

素因数の和:2218

約数の個数: 128

約数和(自身を含む): 585312583680

約数和(自身を除く): 294032038490

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 71, 95, 115, 142, 190, 230, 355, 437, 647, 710, 874, 1294, 1349, 1451, 1633, 2185, 2698, 2902, 3235, 3266, 4370, 6470, 6745, 7255, 8165, 12293, 13490, 14510, 14881, 16330, 24586, 27569, 29762, 31027, 33373, 45937, 55138, 61465, 62054, 66746, 74405, 91874, 103021, 122930, 137845, 148810, 155135, 166865, 206042, 229685, 275690, 282739, 310270, 333730, 459370, 515105, 565478, 634087, 872803, 938797, 1030210, 1056551, 1268174, 1413695, 1745606, 1877594, 1957399, 2113102, 2369483, 2827390, 3170435, 3914798, 4364015, 4693985, 4738966, 5282755, 6340870, 8728030, 9387970, 9786995, 10565510, 11847415, 17837143, 19573990, 20074469, 21592331, 23694830, 35674286, 40148938, 43184662, 45020177, 66654587, 89185715, 90040354, 100372345, 107961655, 133309174, 178371430, 200744690, 215923310, 225100885, 333272935, 410254289, 450201770, 666545870, 820508578, 1266437153, 1533055501, 2051271445, 2532874306, 3066111002, 4102542890, 6332185765, 7665277505, 12664371530, 15330555010, 29128054519, 58256109038, 145640272595, 291280545190]

約数ペア:

[(1, 291280545190), (2, 145640272595), (5, 58256109038), (10, 29128054519), (19, 15330555010), (23, 12664371530), (38, 7665277505), (46, 6332185765), (71, 4102542890), (95, 3066111002), (115, 2532874306), (142, 2051271445), (190, 1533055501), (230, 1266437153), (355, 820508578), (437, 666545870), (647, 450201770), (710, 410254289), (874, 333272935), (1294, 225100885), (1349, 215923310), (1451, 200744690), (1633, 178371430), (2185, 133309174), (2698, 107961655), (2902, 100372345), (3235, 90040354), (3266, 89185715), (4370, 66654587), (6470, 45020177), (6745, 43184662), (7255, 40148938), (8165, 35674286), (12293, 23694830), (13490, 21592331), (14510, 20074469), (14881, 19573990), (16330, 17837143), (24586, 11847415), (27569, 10565510), (29762, 9786995), (31027, 9387970), (33373, 8728030), (45937, 6340870), (55138, 5282755), (61465, 4738966), (62054, 4693985), (66746, 4364015), (74405, 3914798), (91874, 3170435), (103021, 2827390), (122930, 2369483), (137845, 2113102), (148810, 1957399), (155135, 1877594), (166865, 1745606), (206042, 1413695), (229685, 1268174), (275690, 1056551), (282739, 1030210), (310270, 938797), (333730, 872803), (459370, 634087), (515105, 565478)]