81767450

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:192

約数の個数: 96

約数和(自身を含む): 174363840

約数和(自身を除く): 92596390

約数列:

[1, 2, 5, 10, 17, 19, 25, 34, 38, 50, 61, 83, 85, 95, 122, 166, 170, 190, 305, 323, 415, 425, 475, 610, 646, 830, 850, 950, 1037, 1159, 1411, 1525, 1577, 1615, 2074, 2075, 2318, 2822, 3050, 3154, 3230, 4150, 5063, 5185, 5795, 7055, 7885, 8075, 10126, 10370, 11590, 14110, 15770, 16150, 19703, 25315, 25925, 26809, 28975, 35275, 39406, 39425, 50630, 51850, 53618, 57950, 70550, 78850, 86071, 96197, 98515, 126575, 134045, 172142, 192394, 197030, 253150, 268090, 430355, 480985, 492575, 670225, 860710, 961970, 985150, 1340450, 1635349, 2151775, 2404925, 3270698, 4303550, 4809850, 8176745, 16353490, 40883725, 81767450]

約数ペア:

[(1, 81767450), (2, 40883725), (5, 16353490), (10, 8176745), (17, 4809850), (19, 4303550), (25, 3270698), (34, 2404925), (38, 2151775), (50, 1635349), (61, 1340450), (83, 985150), (85, 961970), (95, 860710), (122, 670225), (166, 492575), (170, 480985), (190, 430355), (305, 268090), (323, 253150), (415, 197030), (425, 192394), (475, 172142), (610, 134045), (646, 126575), (830, 98515), (850, 96197), (950, 86071), (1037, 78850), (1159, 70550), (1411, 57950), (1525, 53618), (1577, 51850), (1615, 50630), (2074, 39425), (2075, 39406), (2318, 35275), (2822, 28975), (3050, 26809), (3154, 25925), (3230, 25315), (4150, 19703), (5063, 16150), (5185, 15770), (5795, 14110), (7055, 11590), (7885, 10370), (8075, 10126)]