30642820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6203}}^1$

素因数の和:6244

約数の個数: 48

約数和(自身を含む): 72959040

約数和(自身を除く): 42316220

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 6203, 12406, 24812, 31015, 62030, 80639, 117857, 124060, 161278, 235714, 322556, 403195, 471428, 589285, 806390, 1178570, 1532141, 1612780, 2357140, 3064282, 6128564, 7660705, 15321410, 30642820]

約数ペア:

[(1, 30642820), (2, 15321410), (4, 7660705), (5, 6128564), (10, 3064282), (13, 2357140), (19, 1612780), (20, 1532141), (26, 1178570), (38, 806390), (52, 589285), (65, 471428), (76, 403195), (95, 322556), (130, 235714), (190, 161278), (247, 124060), (260, 117857), (380, 80639), (494, 62030), (988, 31015), (1235, 24812), (2470, 12406), (4940, 6203)]