825931900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^2\times {\mathrm{137}}^1\times {\mathrm{167}}^1$

素因数の和:356

約数の個数: 108

約数和(自身を含む): 1916783568

約数和(自身を除く): 1090851668

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 137, 167, 190, 274, 334, 361, 380, 475, 548, 668, 685, 722, 835, 950, 1370, 1444, 1670, 1805, 1900, 2603, 2740, 3173, 3340, 3425, 3610, 4175, 5206, 6346, 6850, 7220, 8350, 9025, 10412, 12692, 13015, 13700, 15865, 16700, 18050, 22879, 26030, 31730, 36100, 45758, 49457, 52060, 60287, 63460, 65075, 79325, 91516, 98914, 114395, 120574, 130150, 158650, 197828, 228790, 241148, 247285, 260300, 301435, 317300, 434701, 457580, 494570, 571975, 602870, 869402, 989140, 1143950, 1205740, 1236425, 1507175, 1738804, 2173505, 2287900, 2472850, 3014350, 4347010, 4945700, 6028700, 8259319, 8694020, 10867525, 16518638, 21735050, 33037276, 41296595, 43470100, 82593190, 165186380, 206482975, 412965950, 825931900]

約数ペア:

[(1, 825931900), (2, 412965950), (4, 206482975), (5, 165186380), (10, 82593190), (19, 43470100), (20, 41296595), (25, 33037276), (38, 21735050), (50, 16518638), (76, 10867525), (95, 8694020), (100, 8259319), (137, 6028700), (167, 4945700), (190, 4347010), (274, 3014350), (334, 2472850), (361, 2287900), (380, 2173505), (475, 1738804), (548, 1507175), (668, 1236425), (685, 1205740), (722, 1143950), (835, 989140), (950, 869402), (1370, 602870), (1444, 571975), (1670, 494570), (1805, 457580), (1900, 434701), (2603, 317300), (2740, 301435), (3173, 260300), (3340, 247285), (3425, 241148), (3610, 228790), (4175, 197828), (5206, 158650), (6346, 130150), (6850, 120574), (7220, 114395), (8350, 98914), (9025, 91516), (10412, 79325), (12692, 65075), (13015, 63460), (13700, 60287), (15865, 52060), (16700, 49457), (18050, 45758), (22879, 36100), (26030, 31730)]